Home / 26,473.41-39,689.28-18,128.16

Finding the Fourth Proportional to 26,473.41, 39,689.28 and 18,128.16

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Solution

The fourth proportional to 26,473.41, 39,689.28 and 18,128.16 is: 27,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,473.41 : 39,689.28 = 18,128.16 : x
  2. Step 2: Convert to fraction form
    26,473.41/39,689.28 = 18,128.16/x
  3. Step 3: Cross multiply
    26,473.41x = 39,689.28 × 18,128.16
  4. Step 4: Simplify right side
    26,473.41x = 719,493,618.12
  5. Step 5: Solve for x
    x = 719,493,618.12/26,473.41
  6. Step 6: Final answer
    x = 27,177.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.