Home / 25,686.86-38,541.42-9,058.78

Finding the Fourth Proportional to 25,686.86, 38,541.42 and 9,058.78

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Solution

The fourth proportional to 25,686.86, 38,541.42 and 9,058.78 is: 13,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.86 : 38,541.42 = 9,058.78 : x
  2. Step 2: Convert to fraction form
    25,686.86/38,541.42 = 9,058.78/x
  3. Step 3: Cross multiply
    25,686.86x = 38,541.42 × 9,058.78
  4. Step 4: Simplify right side
    25,686.86x = 349,138,244.67
  5. Step 5: Solve for x
    x = 349,138,244.67/25,686.86
  6. Step 6: Final answer
    x = 13,592.10

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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.