Home / 28,294.11-42,465.67-11,666.03

Finding the Fourth Proportional to 28,294.11, 42,465.67 and 11,666.03

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Solution

The fourth proportional to 28,294.11, 42,465.67 and 11,666.03 is: 17,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.11 : 42,465.67 = 11,666.03 : x
  2. Step 2: Convert to fraction form
    28,294.11/42,465.67 = 11,666.03/x
  3. Step 3: Cross multiply
    28,294.11x = 42,465.67 × 11,666.03
  4. Step 4: Simplify right side
    28,294.11x = 495,405,538.70
  5. Step 5: Solve for x
    x = 495,405,538.70/28,294.11
  6. Step 6: Final answer
    x = 17,509.14

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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.