Home / 26,876.16-40,310.88-14,421.12

Finding the Fourth Proportional to 26,876.16, 40,310.88 and 14,421.12

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Solution

The fourth proportional to 26,876.16, 40,310.88 and 14,421.12 is: 21,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.16 : 40,310.88 = 14,421.12 : x
  2. Step 2: Convert to fraction form
    26,876.16/40,310.88 = 14,421.12/x
  3. Step 3: Cross multiply
    26,876.16x = 40,310.88 × 14,421.12
  4. Step 4: Simplify right side
    26,876.16x = 581,328,037.79
  5. Step 5: Solve for x
    x = 581,328,037.79/26,876.16
  6. Step 6: Final answer
    x = 21,629.88

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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.