Home / 25,200.08-34,770.80-14,589.12

Finding the Fourth Proportional to 25,200.08, 34,770.80 and 14,589.12

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Solution

The fourth proportional to 25,200.08, 34,770.80 and 14,589.12 is: 20,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,200.08 : 34,770.80 = 14,589.12 : x
  2. Step 2: Convert to fraction form
    25,200.08/34,770.80 = 14,589.12/x
  3. Step 3: Cross multiply
    25,200.08x = 34,770.80 × 14,589.12
  4. Step 4: Simplify right side
    25,200.08x = 507,275,373.70
  5. Step 5: Solve for x
    x = 507,275,373.70/25,200.08
  6. Step 6: Final answer
    x = 20,129.91

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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.