Home / 26,257.40-39,386.10-9,611.90

Finding the Fourth Proportional to 26,257.40, 39,386.10 and 9,611.90

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Solution

The fourth proportional to 26,257.40, 39,386.10 and 9,611.90 is: 14,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,257.40 : 39,386.10 = 9,611.90 : x
  2. Step 2: Convert to fraction form
    26,257.40/39,386.10 = 9,611.90/x
  3. Step 3: Cross multiply
    26,257.40x = 39,386.10 × 9,611.90
  4. Step 4: Simplify right side
    26,257.40x = 378,575,254.59
  5. Step 5: Solve for x
    x = 378,575,254.59/26,257.40
  6. Step 6: Final answer
    x = 14,417.85

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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.