Home / 38,627.28-53,301.24-21,630.24

Finding the Fourth Proportional to 38,627.28, 53,301.24 and 21,630.24

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Solution

The fourth proportional to 38,627.28, 53,301.24 and 21,630.24 is: 29,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.28 : 53,301.24 = 21,630.24 : x
  2. Step 2: Convert to fraction form
    38,627.28/53,301.24 = 21,630.24/x
  3. Step 3: Cross multiply
    38,627.28x = 53,301.24 × 21,630.24
  4. Step 4: Simplify right side
    38,627.28x = 1,152,918,613.50
  5. Step 5: Solve for x
    x = 1,152,918,613.50/38,627.28
  6. Step 6: Final answer
    x = 29,847.26

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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.