Home / 28,283.80-42,424.26-9,572.80

Finding the Fourth Proportional to 28,283.80, 42,424.26 and 9,572.80

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Solution

The fourth proportional to 28,283.80, 42,424.26 and 9,572.80 is: 14,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283.80 : 42,424.26 = 9,572.80 : x
  2. Step 2: Convert to fraction form
    28,283.80/42,424.26 = 9,572.80/x
  3. Step 3: Cross multiply
    28,283.80x = 42,424.26 × 9,572.80
  4. Step 4: Simplify right side
    28,283.80x = 406,118,956.13
  5. Step 5: Solve for x
    x = 406,118,956.13/28,283.80
  6. Step 6: Final answer
    x = 14,358.71

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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.