Home / 26,687.40-40,031.10-26,298.60

Finding the Fourth Proportional to 26,687.40, 40,031.10 and 26,298.60

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Solution

The fourth proportional to 26,687.40, 40,031.10 and 26,298.60 is: 39,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.40 : 40,031.10 = 26,298.60 : x
  2. Step 2: Convert to fraction form
    26,687.40/40,031.10 = 26,298.60/x
  3. Step 3: Cross multiply
    26,687.40x = 40,031.10 × 26,298.60
  4. Step 4: Simplify right side
    26,687.40x = 1,052,761,886.46
  5. Step 5: Solve for x
    x = 1,052,761,886.46/26,687.40
  6. Step 6: Final answer
    x = 39,447.90

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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.