Home / 26,434.31-39,638.90-15,344.39

Finding the Fourth Proportional to 26,434.31, 39,638.90 and 15,344.39

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Solution

The fourth proportional to 26,434.31, 39,638.90 and 15,344.39 is: 23,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,434.31 : 39,638.90 = 15,344.39 : x
  2. Step 2: Convert to fraction form
    26,434.31/39,638.90 = 15,344.39/x
  3. Step 3: Cross multiply
    26,434.31x = 39,638.90 × 15,344.39
  4. Step 4: Simplify right side
    26,434.31x = 608,234,878.23
  5. Step 5: Solve for x
    x = 608,234,878.23/26,434.31
  6. Step 6: Final answer
    x = 23,009.30

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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.