Home / 26,139.60-39,180.60-14,461.20

Finding the Fourth Proportional to 26,139.60, 39,180.60 and 14,461.20

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Solution

The fourth proportional to 26,139.60, 39,180.60 and 14,461.20 is: 21,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.60 : 39,180.60 = 14,461.20 : x
  2. Step 2: Convert to fraction form
    26,139.60/39,180.60 = 14,461.20/x
  3. Step 3: Cross multiply
    26,139.60x = 39,180.60 × 14,461.20
  4. Step 4: Simplify right side
    26,139.60x = 566,598,492.72
  5. Step 5: Solve for x
    x = 566,598,492.72/26,139.60
  6. Step 6: Final answer
    x = 21,675.87

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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.