Home / 28,275.92-42,406.87-9,555.53

Finding the Fourth Proportional to 28,275.92, 42,406.87 and 9,555.53

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Solution

The fourth proportional to 28,275.92, 42,406.87 and 9,555.53 is: 14,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.92 : 42,406.87 = 9,555.53 : x
  2. Step 2: Convert to fraction form
    28,275.92/42,406.87 = 9,555.53/x
  3. Step 3: Cross multiply
    28,275.92x = 42,406.87 × 9,555.53
  4. Step 4: Simplify right side
    28,275.92x = 405,220,200.62
  5. Step 5: Solve for x
    x = 405,220,200.62/28,275.92
  6. Step 6: Final answer
    x = 14,330.93

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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.