Home / 28,183.75-42,275.93-11,532.17

Finding the Fourth Proportional to 28,183.75, 42,275.93 and 11,532.17

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Solution

The fourth proportional to 28,183.75, 42,275.93 and 11,532.17 is: 17,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.75 : 42,275.93 = 11,532.17 : x
  2. Step 2: Convert to fraction form
    28,183.75/42,275.93 = 11,532.17/x
  3. Step 3: Cross multiply
    28,183.75x = 42,275.93 × 11,532.17
  4. Step 4: Simplify right side
    28,183.75x = 487,533,259.70
  5. Step 5: Solve for x
    x = 487,533,259.70/28,183.75
  6. Step 6: Final answer
    x = 17,298.38

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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.