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Finding the Fourth Proportional to 25,059.62, 37,574.85 and 9,478.46

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Solution

The fourth proportional to 25,059.62, 37,574.85 and 9,478.46 is: 14,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,059.62 : 37,574.85 = 9,478.46 : x
  2. Step 2: Convert to fraction form
    25,059.62/37,574.85 = 9,478.46/x
  3. Step 3: Cross multiply
    25,059.62x = 37,574.85 × 9,478.46
  4. Step 4: Simplify right side
    25,059.62x = 356,151,842.21
  5. Step 5: Solve for x
    x = 356,151,842.21/25,059.62
  6. Step 6: Final answer
    x = 14,212.18

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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.