Home / 25,281.80-34,888.85-13,951.29

Finding the Fourth Proportional to 25,281.80, 34,888.85 and 13,951.29

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Solution

The fourth proportional to 25,281.80, 34,888.85 and 13,951.29 is: 19,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.80 : 34,888.85 = 13,951.29 : x
  2. Step 2: Convert to fraction form
    25,281.80/34,888.85 = 13,951.29/x
  3. Step 3: Cross multiply
    25,281.80x = 34,888.85 × 13,951.29
  4. Step 4: Simplify right side
    25,281.80x = 486,744,420.50
  5. Step 5: Solve for x
    x = 486,744,420.50/25,281.80
  6. Step 6: Final answer
    x = 19,252.76

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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.