Home / 26,819.31-37,008.86-15,487.95

Finding the Fourth Proportional to 26,819.31, 37,008.86 and 15,487.95

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Solution

The fourth proportional to 26,819.31, 37,008.86 and 15,487.95 is: 21,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.31 : 37,008.86 = 15,487.95 : x
  2. Step 2: Convert to fraction form
    26,819.31/37,008.86 = 15,487.95/x
  3. Step 3: Cross multiply
    26,819.31x = 37,008.86 × 15,487.95
  4. Step 4: Simplify right side
    26,819.31x = 573,191,295.80
  5. Step 5: Solve for x
    x = 573,191,295.80/26,819.31
  6. Step 6: Final answer
    x = 21,372.34

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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.