Home / 26,904.28-40,356.45-12,861.00

Finding the Fourth Proportional to 26,904.28, 40,356.45 and 12,861.00

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Solution

The fourth proportional to 26,904.28, 40,356.45 and 12,861.00 is: 19,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,904.28 : 40,356.45 = 12,861.00 : x
  2. Step 2: Convert to fraction form
    26,904.28/40,356.45 = 12,861.00/x
  3. Step 3: Cross multiply
    26,904.28x = 40,356.45 × 12,861.00
  4. Step 4: Simplify right side
    26,904.28x = 519,024,453.12
  5. Step 5: Solve for x
    x = 519,024,453.12/26,904.28
  6. Step 6: Final answer
    x = 19,291.52

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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.