Home / 29,887.29-41,286.38-28,312.65

Finding the Fourth Proportional to 29,887.29, 41,286.38 and 28,312.65

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Solution

The fourth proportional to 29,887.29, 41,286.38 and 28,312.65 is: 39,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,887.29 : 41,286.38 = 28,312.65 : x
  2. Step 2: Convert to fraction form
    29,887.29/41,286.38 = 28,312.65/x
  3. Step 3: Cross multiply
    29,887.29x = 41,286.38 × 28,312.65
  4. Step 4: Simplify right side
    29,887.29x = 1,168,926,685.14
  5. Step 5: Solve for x
    x = 1,168,926,685.14/29,887.29
  6. Step 6: Final answer
    x = 39,111.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.