Home / 28,318.60-42,451.35-9,585.52

Finding the Fourth Proportional to 28,318.60, 42,451.35 and 9,585.52

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Solution

The fourth proportional to 28,318.60, 42,451.35 and 9,585.52 is: 14,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.60 : 42,451.35 = 9,585.52 : x
  2. Step 2: Convert to fraction form
    28,318.60/42,451.35 = 9,585.52/x
  3. Step 3: Cross multiply
    28,318.60x = 42,451.35 × 9,585.52
  4. Step 4: Simplify right side
    28,318.60x = 406,918,216.52
  5. Step 5: Solve for x
    x = 406,918,216.52/28,318.60
  6. Step 6: Final answer
    x = 14,369.29

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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.