Home / 25,417.49-38,152.04-12,280.91

Finding the Fourth Proportional to 25,417.49, 38,152.04 and 12,280.91

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Solution

The fourth proportional to 25,417.49, 38,152.04 and 12,280.91 is: 18,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.49 : 38,152.04 = 12,280.91 : x
  2. Step 2: Convert to fraction form
    25,417.49/38,152.04 = 12,280.91/x
  3. Step 3: Cross multiply
    25,417.49x = 38,152.04 × 12,280.91
  4. Step 4: Simplify right side
    25,417.49x = 468,541,517.39
  5. Step 5: Solve for x
    x = 468,541,517.39/25,417.49
  6. Step 6: Final answer
    x = 18,433.83

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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.