Home / 28,302.40-42,428.49-14,244.04

Finding the Fourth Proportional to 28,302.40, 42,428.49 and 14,244.04

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Solution

The fourth proportional to 28,302.40, 42,428.49 and 14,244.04 is: 21,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.40 : 42,428.49 = 14,244.04 : x
  2. Step 2: Convert to fraction form
    28,302.40/42,428.49 = 14,244.04/x
  3. Step 3: Cross multiply
    28,302.40x = 42,428.49 × 14,244.04
  4. Step 4: Simplify right side
    28,302.40x = 604,353,108.70
  5. Step 5: Solve for x
    x = 604,353,108.70/28,302.40
  6. Step 6: Final answer
    x = 21,353.42

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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.