Home / 25,335.78-38,019.99-13,657.14

Finding the Fourth Proportional to 25,335.78, 38,019.99 and 13,657.14

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Solution

The fourth proportional to 25,335.78, 38,019.99 and 13,657.14 is: 20,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,335.78 : 38,019.99 = 13,657.14 : x
  2. Step 2: Convert to fraction form
    25,335.78/38,019.99 = 13,657.14/x
  3. Step 3: Cross multiply
    25,335.78x = 38,019.99 × 13,657.14
  4. Step 4: Simplify right side
    25,335.78x = 519,244,326.23
  5. Step 5: Solve for x
    x = 519,244,326.23/25,335.78
  6. Step 6: Final answer
    x = 20,494.51

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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.