Home / 26,479.80-36,542.34-14,543.28

Finding the Fourth Proportional to 26,479.80, 36,542.34 and 14,543.28

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Solution

The fourth proportional to 26,479.80, 36,542.34 and 14,543.28 is: 20,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.80 : 36,542.34 = 14,543.28 : x
  2. Step 2: Convert to fraction form
    26,479.80/36,542.34 = 14,543.28/x
  3. Step 3: Cross multiply
    26,479.80x = 36,542.34 × 14,543.28
  4. Step 4: Simplify right side
    26,479.80x = 531,445,482.48
  5. Step 5: Solve for x
    x = 531,445,482.48/26,479.80
  6. Step 6: Final answer
    x = 20,069.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.