Home / 28,116.68-42,183.96-17,593.40

Finding the Fourth Proportional to 28,116.68, 42,183.96 and 17,593.40

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Solution

The fourth proportional to 28,116.68, 42,183.96 and 17,593.40 is: 26,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.68 : 42,183.96 = 17,593.40 : x
  2. Step 2: Convert to fraction form
    28,116.68/42,183.96 = 17,593.40/x
  3. Step 3: Cross multiply
    28,116.68x = 42,183.96 × 17,593.40
  4. Step 4: Simplify right side
    28,116.68x = 742,159,281.86
  5. Step 5: Solve for x
    x = 742,159,281.86/28,116.68
  6. Step 6: Final answer
    x = 26,395.69

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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.