Home / 28,461.29-42,687.92-17,899.11

Finding the Fourth Proportional to 28,461.29, 42,687.92 and 17,899.11

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Solution

The fourth proportional to 28,461.29, 42,687.92 and 17,899.11 is: 26,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.29 : 42,687.92 = 17,899.11 : x
  2. Step 2: Convert to fraction form
    28,461.29/42,687.92 = 17,899.11/x
  3. Step 3: Cross multiply
    28,461.29x = 42,687.92 × 17,899.11
  4. Step 4: Simplify right side
    28,461.29x = 764,075,686.26
  5. Step 5: Solve for x
    x = 764,075,686.26/28,461.29
  6. Step 6: Final answer
    x = 26,846.14

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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.