Home / 26,687.81-40,027.18-8,916.46

Finding the Fourth Proportional to 26,687.81, 40,027.18 and 8,916.46

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Solution

The fourth proportional to 26,687.81, 40,027.18 and 8,916.46 is: 13,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.81 : 40,027.18 = 8,916.46 : x
  2. Step 2: Convert to fraction form
    26,687.81/40,027.18 = 8,916.46/x
  3. Step 3: Cross multiply
    26,687.81x = 40,027.18 × 8,916.46
  4. Step 4: Simplify right side
    26,687.81x = 356,900,627.02
  5. Step 5: Solve for x
    x = 356,900,627.02/26,687.81
  6. Step 6: Final answer
    x = 13,373.17

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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.