Home / 25,747.34-38,574.38-21,613.91

Finding the Fourth Proportional to 25,747.34, 38,574.38 and 21,613.91

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Solution

The fourth proportional to 25,747.34, 38,574.38 and 21,613.91 is: 32,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.34 : 38,574.38 = 21,613.91 : x
  2. Step 2: Convert to fraction form
    25,747.34/38,574.38 = 21,613.91/x
  3. Step 3: Cross multiply
    25,747.34x = 38,574.38 × 21,613.91
  4. Step 4: Simplify right side
    25,747.34x = 833,742,876.68
  5. Step 5: Solve for x
    x = 833,742,876.68/25,747.34
  6. Step 6: Final answer
    x = 32,381.72

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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.