Home / 28,873.28-43,312.76-12,002.81

Finding the Fourth Proportional to 28,873.28, 43,312.76 and 12,002.81

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Solution

The fourth proportional to 28,873.28, 43,312.76 and 12,002.81 is: 18,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.28 : 43,312.76 = 12,002.81 : x
  2. Step 2: Convert to fraction form
    28,873.28/43,312.76 = 12,002.81/x
  3. Step 3: Cross multiply
    28,873.28x = 43,312.76 × 12,002.81
  4. Step 4: Simplify right side
    28,873.28x = 519,874,552.28
  5. Step 5: Solve for x
    x = 519,874,552.28/28,873.28
  6. Step 6: Final answer
    x = 18,005.39

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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.