Home / 23,615.19-32,587.79-15,231.69

Finding the Fourth Proportional to 23,615.19, 32,587.79 and 15,231.69

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Solution

The fourth proportional to 23,615.19, 32,587.79 and 15,231.69 is: 21,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,615.19 : 32,587.79 = 15,231.69 : x
  2. Step 2: Convert to fraction form
    23,615.19/32,587.79 = 15,231.69/x
  3. Step 3: Cross multiply
    23,615.19x = 32,587.79 × 15,231.69
  4. Step 4: Simplify right side
    23,615.19x = 496,367,038.91
  5. Step 5: Solve for x
    x = 496,367,038.91/23,615.19
  6. Step 6: Final answer
    x = 21,018.97

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.