Home / 26,476.31-39,730.88-15,388.22

Finding the Fourth Proportional to 26,476.31, 39,730.88 and 15,388.22

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Solution

The fourth proportional to 26,476.31, 39,730.88 and 15,388.22 is: 23,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,476.31 : 39,730.88 = 15,388.22 : x
  2. Step 2: Convert to fraction form
    26,476.31/39,730.88 = 15,388.22/x
  3. Step 3: Cross multiply
    26,476.31x = 39,730.88 × 15,388.22
  4. Step 4: Simplify right side
    26,476.31x = 611,387,660.03
  5. Step 5: Solve for x
    x = 611,387,660.03/26,476.31
  6. Step 6: Final answer
    x = 23,091.87

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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.