Home / 23,899.74-32,981.44-13,289.28

Finding the Fourth Proportional to 23,899.74, 32,981.44 and 13,289.28

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Solution

The fourth proportional to 23,899.74, 32,981.44 and 13,289.28 is: 18,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.74 : 32,981.44 = 13,289.28 : x
  2. Step 2: Convert to fraction form
    23,899.74/32,981.44 = 13,289.28/x
  3. Step 3: Cross multiply
    23,899.74x = 32,981.44 × 13,289.28
  4. Step 4: Simplify right side
    23,899.74x = 438,299,590.96
  5. Step 5: Solve for x
    x = 438,299,590.96/23,899.74
  6. Step 6: Final answer
    x = 18,339.09

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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.