Home / 26,810.50-36,998.52-15,634.66

Finding the Fourth Proportional to 26,810.50, 36,998.52 and 15,634.66

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Solution

The fourth proportional to 26,810.50, 36,998.52 and 15,634.66 is: 21,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.50 : 36,998.52 = 15,634.66 : x
  2. Step 2: Convert to fraction form
    26,810.50/36,998.52 = 15,634.66/x
  3. Step 3: Cross multiply
    26,810.50x = 36,998.52 × 15,634.66
  4. Step 4: Simplify right side
    26,810.50x = 578,459,280.70
  5. Step 5: Solve for x
    x = 578,459,280.70/26,810.50
  6. Step 6: Final answer
    x = 21,575.85

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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.