Home / 26,338.18-36,350.10-15,011.80

Finding the Fourth Proportional to 26,338.18, 36,350.10 and 15,011.80

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Solution

The fourth proportional to 26,338.18, 36,350.10 and 15,011.80 is: 20,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,338.18 : 36,350.10 = 15,011.80 : x
  2. Step 2: Convert to fraction form
    26,338.18/36,350.10 = 15,011.80/x
  3. Step 3: Cross multiply
    26,338.18x = 36,350.10 × 15,011.80
  4. Step 4: Simplify right side
    26,338.18x = 545,680,431.18
  5. Step 5: Solve for x
    x = 545,680,431.18/26,338.18
  6. Step 6: Final answer
    x = 20,718.23

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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.