Home / 25,585.97-35,299.27-15,507.14

Finding the Fourth Proportional to 25,585.97, 35,299.27 and 15,507.14

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Solution

The fourth proportional to 25,585.97, 35,299.27 and 15,507.14 is: 21,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.97 : 35,299.27 = 15,507.14 : x
  2. Step 2: Convert to fraction form
    25,585.97/35,299.27 = 15,507.14/x
  3. Step 3: Cross multiply
    25,585.97x = 35,299.27 × 15,507.14
  4. Step 4: Simplify right side
    25,585.97x = 547,390,721.79
  5. Step 5: Solve for x
    x = 547,390,721.79/25,585.97
  6. Step 6: Final answer
    x = 21,394.18

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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.