Home / 26,951.78-40,426.32-10,319.78

Finding the Fourth Proportional to 26,951.78, 40,426.32 and 10,319.78

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Solution

The fourth proportional to 26,951.78, 40,426.32 and 10,319.78 is: 15,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,951.78 : 40,426.32 = 10,319.78 : x
  2. Step 2: Convert to fraction form
    26,951.78/40,426.32 = 10,319.78/x
  3. Step 3: Cross multiply
    26,951.78x = 40,426.32 × 10,319.78
  4. Step 4: Simplify right side
    26,951.78x = 417,190,728.61
  5. Step 5: Solve for x
    x = 417,190,728.61/26,951.78
  6. Step 6: Final answer
    x = 15,479.15

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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.