Home / 25,356.78-34,989.66-14,024.47

Finding the Fourth Proportional to 25,356.78, 34,989.66 and 14,024.47

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Solution

The fourth proportional to 25,356.78, 34,989.66 and 14,024.47 is: 19,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.78 : 34,989.66 = 14,024.47 : x
  2. Step 2: Convert to fraction form
    25,356.78/34,989.66 = 14,024.47/x
  3. Step 3: Cross multiply
    25,356.78x = 34,989.66 × 14,024.47
  4. Step 4: Simplify right side
    25,356.78x = 490,711,366.86
  5. Step 5: Solve for x
    x = 490,711,366.86/25,356.78
  6. Step 6: Final answer
    x = 19,352.28

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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.