Home / 26,381.60-39,604.80-26,187.20

Finding the Fourth Proportional to 26,381.60, 39,604.80 and 26,187.20

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Solution

The fourth proportional to 26,381.60, 39,604.80 and 26,187.20 is: 39,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,381.60 : 39,604.80 = 26,187.20 : x
  2. Step 2: Convert to fraction form
    26,381.60/39,604.80 = 26,187.20/x
  3. Step 3: Cross multiply
    26,381.60x = 39,604.80 × 26,187.20
  4. Step 4: Simplify right side
    26,381.60x = 1,037,138,818.56
  5. Step 5: Solve for x
    x = 1,037,138,818.56/26,381.60
  6. Step 6: Final answer
    x = 39,312.96

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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.