Home / 26,125.80-39,188.70-15,628.20

Finding the Fourth Proportional to 26,125.80, 39,188.70 and 15,628.20

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Solution

The fourth proportional to 26,125.80, 39,188.70 and 15,628.20 is: 23,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,125.80 : 39,188.70 = 15,628.20 : x
  2. Step 2: Convert to fraction form
    26,125.80/39,188.70 = 15,628.20/x
  3. Step 3: Cross multiply
    26,125.80x = 39,188.70 × 15,628.20
  4. Step 4: Simplify right side
    26,125.80x = 612,448,841.34
  5. Step 5: Solve for x
    x = 612,448,841.34/26,125.80
  6. Step 6: Final answer
    x = 23,442.30

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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.