Home / 38,041.10-57,075.15-16,979.22

Finding the Fourth Proportional to 38,041.10, 57,075.15 and 16,979.22

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Solution

The fourth proportional to 38,041.10, 57,075.15 and 16,979.22 is: 25,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,041.10 : 57,075.15 = 16,979.22 : x
  2. Step 2: Convert to fraction form
    38,041.10/57,075.15 = 16,979.22/x
  3. Step 3: Cross multiply
    38,041.10x = 57,075.15 × 16,979.22
  4. Step 4: Simplify right side
    38,041.10x = 969,091,528.38
  5. Step 5: Solve for x
    x = 969,091,528.38/38,041.10
  6. Step 6: Final answer
    x = 25,474.86

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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.