Home / 28,723.65-42,874.95-26,612.85

Finding the Fourth Proportional to 28,723.65, 42,874.95 and 26,612.85

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Solution

The fourth proportional to 28,723.65, 42,874.95 and 26,612.85 is: 39,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.65 : 42,874.95 = 26,612.85 : x
  2. Step 2: Convert to fraction form
    28,723.65/42,874.95 = 26,612.85/x
  3. Step 3: Cross multiply
    28,723.65x = 42,874.95 × 26,612.85
  4. Step 4: Simplify right side
    28,723.65x = 1,141,024,613.11
  5. Step 5: Solve for x
    x = 1,141,024,613.11/28,723.65
  6. Step 6: Final answer
    x = 39,724.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.