Home / 28,278.50-42,094.47-27,858.11

Finding the Fourth Proportional to 28,278.50, 42,094.47 and 27,858.11

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Solution

The fourth proportional to 28,278.50, 42,094.47 and 27,858.11 is: 41,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278.50 : 42,094.47 = 27,858.11 : x
  2. Step 2: Convert to fraction form
    28,278.50/42,094.47 = 27,858.11/x
  3. Step 3: Cross multiply
    28,278.50x = 42,094.47 × 27,858.11
  4. Step 4: Simplify right side
    28,278.50x = 1,172,672,269.65
  5. Step 5: Solve for x
    x = 1,172,672,269.65/28,278.50
  6. Step 6: Final answer
    x = 41,468.69

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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.