Home / 26,200.81-36,158.40-15,446.04

Finding the Fourth Proportional to 26,200.81, 36,158.40 and 15,446.04

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Solution

The fourth proportional to 26,200.81, 36,158.40 and 15,446.04 is: 21,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,200.81 : 36,158.40 = 15,446.04 : x
  2. Step 2: Convert to fraction form
    26,200.81/36,158.40 = 15,446.04/x
  3. Step 3: Cross multiply
    26,200.81x = 36,158.40 × 15,446.04
  4. Step 4: Simplify right side
    26,200.81x = 558,503,957.14
  5. Step 5: Solve for x
    x = 558,503,957.14/26,200.81
  6. Step 6: Final answer
    x = 21,316.28

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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.