Home / 26,723.32-40,073.40-12,687.40

Finding the Fourth Proportional to 26,723.32, 40,073.40 and 12,687.40

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Solution

The fourth proportional to 26,723.32, 40,073.40 and 12,687.40 is: 19,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,723.32 : 40,073.40 = 12,687.40 : x
  2. Step 2: Convert to fraction form
    26,723.32/40,073.40 = 12,687.40/x
  3. Step 3: Cross multiply
    26,723.32x = 40,073.40 × 12,687.40
  4. Step 4: Simplify right side
    26,723.32x = 508,427,255.16
  5. Step 5: Solve for x
    x = 508,427,255.16/26,723.32
  6. Step 6: Final answer
    x = 19,025.60

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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.