Home / 38,938.97-58,407.61-10,858.28

Finding the Fourth Proportional to 38,938.97, 58,407.61 and 10,858.28

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Solution

The fourth proportional to 38,938.97, 58,407.61 and 10,858.28 is: 16,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.97 : 58,407.61 = 10,858.28 : x
  2. Step 2: Convert to fraction form
    38,938.97/58,407.61 = 10,858.28/x
  3. Step 3: Cross multiply
    38,938.97x = 58,407.61 × 10,858.28
  4. Step 4: Simplify right side
    38,938.97x = 634,205,932.19
  5. Step 5: Solve for x
    x = 634,205,932.19/38,938.97
  6. Step 6: Final answer
    x = 16,287.18

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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.