Home / 25,404.02-38,069.12-18,022.89

Finding the Fourth Proportional to 25,404.02, 38,069.12 and 18,022.89

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Solution

The fourth proportional to 25,404.02, 38,069.12 and 18,022.89 is: 27,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404.02 : 38,069.12 = 18,022.89 : x
  2. Step 2: Convert to fraction form
    25,404.02/38,069.12 = 18,022.89/x
  3. Step 3: Cross multiply
    25,404.02x = 38,069.12 × 18,022.89
  4. Step 4: Simplify right side
    25,404.02x = 686,115,472.04
  5. Step 5: Solve for x
    x = 686,115,472.04/25,404.02
  6. Step 6: Final answer
    x = 27,008.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.