Home / 28,560.30-42,833.85-10,792.86

Finding the Fourth Proportional to 28,560.30, 42,833.85 and 10,792.86

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Solution

The fourth proportional to 28,560.30, 42,833.85 and 10,792.86 is: 16,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.30 : 42,833.85 = 10,792.86 : x
  2. Step 2: Convert to fraction form
    28,560.30/42,833.85 = 10,792.86/x
  3. Step 3: Cross multiply
    28,560.30x = 42,833.85 × 10,792.86
  4. Step 4: Simplify right side
    28,560.30x = 462,299,746.31
  5. Step 5: Solve for x
    x = 462,299,746.31/28,560.30
  6. Step 6: Final answer
    x = 16,186.80

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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.