Home / 25,432.32-38,133.04-11,389.68

Finding the Fourth Proportional to 25,432.32, 38,133.04 and 11,389.68

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Solution

The fourth proportional to 25,432.32, 38,133.04 and 11,389.68 is: 17,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.32 : 38,133.04 = 11,389.68 : x
  2. Step 2: Convert to fraction form
    25,432.32/38,133.04 = 11,389.68/x
  3. Step 3: Cross multiply
    25,432.32x = 38,133.04 × 11,389.68
  4. Step 4: Simplify right side
    25,432.32x = 434,323,123.03
  5. Step 5: Solve for x
    x = 434,323,123.03/25,432.32
  6. Step 6: Final answer
    x = 17,077.61

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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.