Home / 26,750.40-40,081.12-18,920.32

Finding the Fourth Proportional to 26,750.40, 40,081.12 and 18,920.32

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Solution

The fourth proportional to 26,750.40, 40,081.12 and 18,920.32 is: 28,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.40 : 40,081.12 = 18,920.32 : x
  2. Step 2: Convert to fraction form
    26,750.40/40,081.12 = 18,920.32/x
  3. Step 3: Cross multiply
    26,750.40x = 40,081.12 × 18,920.32
  4. Step 4: Simplify right side
    26,750.40x = 758,347,616.36
  5. Step 5: Solve for x
    x = 758,347,616.36/26,750.40
  6. Step 6: Final answer
    x = 28,349.02

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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.