Home / 22,587.48-31,173.03-13,027.74

Finding the Fourth Proportional to 22,587.48, 31,173.03 and 13,027.74

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Solution

The fourth proportional to 22,587.48, 31,173.03 and 13,027.74 is: 17,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,587.48 : 31,173.03 = 13,027.74 : x
  2. Step 2: Convert to fraction form
    22,587.48/31,173.03 = 13,027.74/x
  3. Step 3: Cross multiply
    22,587.48x = 31,173.03 × 13,027.74
  4. Step 4: Simplify right side
    22,587.48x = 406,114,129.85
  5. Step 5: Solve for x
    x = 406,114,129.85/22,587.48
  6. Step 6: Final answer
    x = 17,979.61

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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.