Home / 28,266.46-42,387.38-14,217.72

Finding the Fourth Proportional to 28,266.46, 42,387.38 and 14,217.72

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Solution

The fourth proportional to 28,266.46, 42,387.38 and 14,217.72 is: 21,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.46 : 42,387.38 = 14,217.72 : x
  2. Step 2: Convert to fraction form
    28,266.46/42,387.38 = 14,217.72/x
  3. Step 3: Cross multiply
    28,266.46x = 42,387.38 × 14,217.72
  4. Step 4: Simplify right side
    28,266.46x = 602,651,900.37
  5. Step 5: Solve for x
    x = 602,651,900.37/28,266.46
  6. Step 6: Final answer
    x = 21,320.39

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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.