Home / 26,165.40-39,248.10-25,128.60

Finding the Fourth Proportional to 26,165.40, 39,248.10 and 25,128.60

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Solution

The fourth proportional to 26,165.40, 39,248.10 and 25,128.60 is: 37,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,165.40 : 39,248.10 = 25,128.60 : x
  2. Step 2: Convert to fraction form
    26,165.40/39,248.10 = 25,128.60/x
  3. Step 3: Cross multiply
    26,165.40x = 39,248.10 × 25,128.60
  4. Step 4: Simplify right side
    26,165.40x = 986,249,805.66
  5. Step 5: Solve for x
    x = 986,249,805.66/26,165.40
  6. Step 6: Final answer
    x = 37,692.90

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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.