Home / 25,278.60-34,902.96-16,331.40

Finding the Fourth Proportional to 25,278.60, 34,902.96 and 16,331.40

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Solution

The fourth proportional to 25,278.60, 34,902.96 and 16,331.40 is: 22,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.60 : 34,902.96 = 16,331.40 : x
  2. Step 2: Convert to fraction form
    25,278.60/34,902.96 = 16,331.40/x
  3. Step 3: Cross multiply
    25,278.60x = 34,902.96 × 16,331.40
  4. Step 4: Simplify right side
    25,278.60x = 570,014,200.94
  5. Step 5: Solve for x
    x = 570,014,200.94/25,278.60
  6. Step 6: Final answer
    x = 22,549.28

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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.