Home / 26,545.15-36,631.24-15,643.18

Finding the Fourth Proportional to 26,545.15, 36,631.24 and 15,643.18

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Solution

The fourth proportional to 26,545.15, 36,631.24 and 15,643.18 is: 21,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,545.15 : 36,631.24 = 15,643.18 : x
  2. Step 2: Convert to fraction form
    26,545.15/36,631.24 = 15,643.18/x
  3. Step 3: Cross multiply
    26,545.15x = 36,631.24 × 15,643.18
  4. Step 4: Simplify right side
    26,545.15x = 573,029,080.94
  5. Step 5: Solve for x
    x = 573,029,080.94/26,545.15
  6. Step 6: Final answer
    x = 21,586.96

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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.