Home / 26,855.74-40,242.21-14,377.42

Finding the Fourth Proportional to 26,855.74, 40,242.21 and 14,377.42

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Solution

The fourth proportional to 26,855.74, 40,242.21 and 14,377.42 is: 21,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.74 : 40,242.21 = 14,377.42 : x
  2. Step 2: Convert to fraction form
    26,855.74/40,242.21 = 14,377.42/x
  3. Step 3: Cross multiply
    26,855.74x = 40,242.21 × 14,377.42
  4. Step 4: Simplify right side
    26,855.74x = 578,579,154.90
  5. Step 5: Solve for x
    x = 578,579,154.90/26,855.74
  6. Step 6: Final answer
    x = 21,543.97

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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.