Home / 38,281.93-52,829.21-21,287.72

Finding the Fourth Proportional to 38,281.93, 52,829.21 and 21,287.72

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Solution

The fourth proportional to 38,281.93, 52,829.21 and 21,287.72 is: 29,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.93 : 52,829.21 = 21,287.72 : x
  2. Step 2: Convert to fraction form
    38,281.93/52,829.21 = 21,287.72/x
  3. Step 3: Cross multiply
    38,281.93x = 52,829.21 × 21,287.72
  4. Step 4: Simplify right side
    38,281.93x = 1,124,613,323.86
  5. Step 5: Solve for x
    x = 1,124,613,323.86/38,281.93
  6. Step 6: Final answer
    x = 29,377.14

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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.