Home / 28,149.65-42,224.48-26,934.84

Finding the Fourth Proportional to 28,149.65, 42,224.48 and 26,934.84

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Solution

The fourth proportional to 28,149.65, 42,224.48 and 26,934.84 is: 40,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.65 : 42,224.48 = 26,934.84 : x
  2. Step 2: Convert to fraction form
    28,149.65/42,224.48 = 26,934.84/x
  3. Step 3: Cross multiply
    28,149.65x = 42,224.48 × 26,934.84
  4. Step 4: Simplify right side
    28,149.65x = 1,137,309,600.72
  5. Step 5: Solve for x
    x = 1,137,309,600.72/28,149.65
  6. Step 6: Final answer
    x = 40,402.26

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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.