Home / 26,788.73-36,966.65-15,458.70

Finding the Fourth Proportional to 26,788.73, 36,966.65 and 15,458.70

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Solution

The fourth proportional to 26,788.73, 36,966.65 and 15,458.70 is: 21,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.73 : 36,966.65 = 15,458.70 : x
  2. Step 2: Convert to fraction form
    26,788.73/36,966.65 = 15,458.70/x
  3. Step 3: Cross multiply
    26,788.73x = 36,966.65 × 15,458.70
  4. Step 4: Simplify right side
    26,788.73x = 571,456,275.06
  5. Step 5: Solve for x
    x = 571,456,275.06/26,788.73
  6. Step 6: Final answer
    x = 21,331.96

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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.