Home / 26,090.17-39,135.24-12,951.76

Finding the Fourth Proportional to 26,090.17, 39,135.24 and 12,951.76

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Solution

The fourth proportional to 26,090.17, 39,135.24 and 12,951.76 is: 19,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,090.17 : 39,135.24 = 12,951.76 : x
  2. Step 2: Convert to fraction form
    26,090.17/39,135.24 = 12,951.76/x
  3. Step 3: Cross multiply
    26,090.17x = 39,135.24 × 12,951.76
  4. Step 4: Simplify right side
    26,090.17x = 506,870,236.02
  5. Step 5: Solve for x
    x = 506,870,236.02/26,090.17
  6. Step 6: Final answer
    x = 19,427.63

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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.