Home / 28,505.61-42,714.66-17,395.65

Finding the Fourth Proportional to 28,505.61, 42,714.66 and 17,395.65

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Solution

The fourth proportional to 28,505.61, 42,714.66 and 17,395.65 is: 26,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,505.61 : 42,714.66 = 17,395.65 : x
  2. Step 2: Convert to fraction form
    28,505.61/42,714.66 = 17,395.65/x
  3. Step 3: Cross multiply
    28,505.61x = 42,714.66 × 17,395.65
  4. Step 4: Simplify right side
    28,505.61x = 743,049,275.23
  5. Step 5: Solve for x
    x = 743,049,275.23/28,505.61
  6. Step 6: Final answer
    x = 26,066.77

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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.