Home / 28,341.57-42,518.43-8,621.73

Finding the Fourth Proportional to 28,341.57, 42,518.43 and 8,621.73

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Solution

The fourth proportional to 28,341.57, 42,518.43 and 8,621.73 is: 12,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.57 : 42,518.43 = 8,621.73 : x
  2. Step 2: Convert to fraction form
    28,341.57/42,518.43 = 8,621.73/x
  3. Step 3: Cross multiply
    28,341.57x = 42,518.43 × 8,621.73
  4. Step 4: Simplify right side
    28,341.57x = 366,582,423.48
  5. Step 5: Solve for x
    x = 366,582,423.48/28,341.57
  6. Step 6: Final answer
    x = 12,934.44

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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.