Home / 26,500.71-36,581.40-15,888.30

Finding the Fourth Proportional to 26,500.71, 36,581.40 and 15,888.30

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Solution

The fourth proportional to 26,500.71, 36,581.40 and 15,888.30 is: 21,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.71 : 36,581.40 = 15,888.30 : x
  2. Step 2: Convert to fraction form
    26,500.71/36,581.40 = 15,888.30/x
  3. Step 3: Cross multiply
    26,500.71x = 36,581.40 × 15,888.30
  4. Step 4: Simplify right side
    26,500.71x = 581,216,257.62
  5. Step 5: Solve for x
    x = 581,216,257.62/26,500.71
  6. Step 6: Final answer
    x = 21,932.10

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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.