Home / 25,761.20-38,681.40-14,097.20

Finding the Fourth Proportional to 25,761.20, 38,681.40 and 14,097.20

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Solution

The fourth proportional to 25,761.20, 38,681.40 and 14,097.20 is: 21,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.20 : 38,681.40 = 14,097.20 : x
  2. Step 2: Convert to fraction form
    25,761.20/38,681.40 = 14,097.20/x
  3. Step 3: Cross multiply
    25,761.20x = 38,681.40 × 14,097.20
  4. Step 4: Simplify right side
    25,761.20x = 545,299,432.08
  5. Step 5: Solve for x
    x = 545,299,432.08/25,761.20
  6. Step 6: Final answer
    x = 21,167.47

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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.