Home / 20,152.02-30,200.43-15,217.62

Finding the Fourth Proportional to 20,152.02, 30,200.43 and 15,217.62

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Solution

The fourth proportional to 20,152.02, 30,200.43 and 15,217.62 is: 22,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.02 : 30,200.43 = 15,217.62 : x
  2. Step 2: Convert to fraction form
    20,152.02/30,200.43 = 15,217.62/x
  3. Step 3: Cross multiply
    20,152.02x = 30,200.43 × 15,217.62
  4. Step 4: Simplify right side
    20,152.02x = 459,578,667.58
  5. Step 5: Solve for x
    x = 459,578,667.58/20,152.02
  6. Step 6: Final answer
    x = 22,805.59

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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.