Home / 28,350.99-42,532.56-8,631.18

Finding the Fourth Proportional to 28,350.99, 42,532.56 and 8,631.18

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Solution

The fourth proportional to 28,350.99, 42,532.56 and 8,631.18 is: 12,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.99 : 42,532.56 = 8,631.18 : x
  2. Step 2: Convert to fraction form
    28,350.99/42,532.56 = 8,631.18/x
  3. Step 3: Cross multiply
    28,350.99x = 42,532.56 × 8,631.18
  4. Step 4: Simplify right side
    28,350.99x = 367,106,181.22
  5. Step 5: Solve for x
    x = 367,106,181.22/28,350.99
  6. Step 6: Final answer
    x = 12,948.62

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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.