Home / 28,532.91-42,804.15-9,812.19

Finding the Fourth Proportional to 28,532.91, 42,804.15 and 9,812.19

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Solution

The fourth proportional to 28,532.91, 42,804.15 and 9,812.19 is: 14,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.91 : 42,804.15 = 9,812.19 : x
  2. Step 2: Convert to fraction form
    28,532.91/42,804.15 = 9,812.19/x
  3. Step 3: Cross multiply
    28,532.91x = 42,804.15 × 9,812.19
  4. Step 4: Simplify right side
    28,532.91x = 420,002,452.59
  5. Step 5: Solve for x
    x = 420,002,452.59/28,532.91
  6. Step 6: Final answer
    x = 14,719.93

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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.