Home / 25,713.86-38,585.36-10,142.42

Finding the Fourth Proportional to 25,713.86, 38,585.36 and 10,142.42

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Solution

The fourth proportional to 25,713.86, 38,585.36 and 10,142.42 is: 15,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.86 : 38,585.36 = 10,142.42 : x
  2. Step 2: Convert to fraction form
    25,713.86/38,585.36 = 10,142.42/x
  3. Step 3: Cross multiply
    25,713.86x = 38,585.36 × 10,142.42
  4. Step 4: Simplify right side
    25,713.86x = 391,348,759.40
  5. Step 5: Solve for x
    x = 391,348,759.40/25,713.86
  6. Step 6: Final answer
    x = 15,219.37

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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.