Home / 38,708.64-53,398.22-25,287.75

Finding the Fourth Proportional to 38,708.64, 53,398.22 and 25,287.75

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Solution

The fourth proportional to 38,708.64, 53,398.22 and 25,287.75 is: 34,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,708.64 : 53,398.22 = 25,287.75 : x
  2. Step 2: Convert to fraction form
    38,708.64/53,398.22 = 25,287.75/x
  3. Step 3: Cross multiply
    38,708.64x = 53,398.22 × 25,287.75
  4. Step 4: Simplify right side
    38,708.64x = 1,350,320,901.02
  5. Step 5: Solve for x
    x = 1,350,320,901.02/38,708.64
  6. Step 6: Final answer
    x = 34,884.22

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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.