Home / 38,281.28-52,827.04-21,514.56

Finding the Fourth Proportional to 38,281.28, 52,827.04 and 21,514.56

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Solution

The fourth proportional to 38,281.28, 52,827.04 and 21,514.56 is: 29,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.28 : 52,827.04 = 21,514.56 : x
  2. Step 2: Convert to fraction form
    38,281.28/52,827.04 = 21,514.56/x
  3. Step 3: Cross multiply
    38,281.28x = 52,827.04 × 21,514.56
  4. Step 4: Simplify right side
    38,281.28x = 1,136,550,521.70
  5. Step 5: Solve for x
    x = 1,136,550,521.70/38,281.28
  6. Step 6: Final answer
    x = 29,689.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.