Home / 28,359.08-42,247.59-27,079.68

Finding the Fourth Proportional to 28,359.08, 42,247.59 and 27,079.68

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Solution

The fourth proportional to 28,359.08, 42,247.59 and 27,079.68 is: 40,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.08 : 42,247.59 = 27,079.68 : x
  2. Step 2: Convert to fraction form
    28,359.08/42,247.59 = 27,079.68/x
  3. Step 3: Cross multiply
    28,359.08x = 42,247.59 × 27,079.68
  4. Step 4: Simplify right side
    28,359.08x = 1,144,051,217.97
  5. Step 5: Solve for x
    x = 1,144,051,217.97/28,359.08
  6. Step 6: Final answer
    x = 40,341.63

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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.