Home / 26,947.64-40,421.46-10,312.77

Finding the Fourth Proportional to 26,947.64, 40,421.46 and 10,312.77

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Solution

The fourth proportional to 26,947.64, 40,421.46 and 10,312.77 is: 15,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.64 : 40,421.46 = 10,312.77 : x
  2. Step 2: Convert to fraction form
    26,947.64/40,421.46 = 10,312.77/x
  3. Step 3: Cross multiply
    26,947.64x = 40,421.46 × 10,312.77
  4. Step 4: Simplify right side
    26,947.64x = 416,857,095.91
  5. Step 5: Solve for x
    x = 416,857,095.91/26,947.64
  6. Step 6: Final answer
    x = 15,469.15

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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.