Home / 28,302.03-42,458.94-11,663.28

Finding the Fourth Proportional to 28,302.03, 42,458.94 and 11,663.28

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Solution

The fourth proportional to 28,302.03, 42,458.94 and 11,663.28 is: 17,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.03 : 42,458.94 = 11,663.28 : x
  2. Step 2: Convert to fraction form
    28,302.03/42,458.94 = 11,663.28/x
  3. Step 3: Cross multiply
    28,302.03x = 42,458.94 × 11,663.28
  4. Step 4: Simplify right side
    28,302.03x = 495,210,505.72
  5. Step 5: Solve for x
    x = 495,210,505.72/28,302.03
  6. Step 6: Final answer
    x = 17,497.35

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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.