Home / 28,655.64-42,702.12-27,716.04

Finding the Fourth Proportional to 28,655.64, 42,702.12 and 27,716.04

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Solution

The fourth proportional to 28,655.64, 42,702.12 and 27,716.04 is: 41,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655.64 : 42,702.12 = 27,716.04 : x
  2. Step 2: Convert to fraction form
    28,655.64/42,702.12 = 27,716.04/x
  3. Step 3: Cross multiply
    28,655.64x = 42,702.12 × 27,716.04
  4. Step 4: Simplify right side
    28,655.64x = 1,183,533,666.00
  5. Step 5: Solve for x
    x = 1,183,533,666.00/28,655.64
  6. Step 6: Final answer
    x = 41,301.94

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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.