Home / 28,645.52-39,532.56-19,068.88

Finding the Fourth Proportional to 28,645.52, 39,532.56 and 19,068.88

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Solution

The fourth proportional to 28,645.52, 39,532.56 and 19,068.88 is: 26,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.52 : 39,532.56 = 19,068.88 : x
  2. Step 2: Convert to fraction form
    28,645.52/39,532.56 = 19,068.88/x
  3. Step 3: Cross multiply
    28,645.52x = 39,532.56 × 19,068.88
  4. Step 4: Simplify right side
    28,645.52x = 753,841,642.73
  5. Step 5: Solve for x
    x = 753,841,642.73/28,645.52
  6. Step 6: Final answer
    x = 26,316.21

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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.