Home / 28,564.27-42,886.72-18,000.04

Finding the Fourth Proportional to 28,564.27, 42,886.72 and 18,000.04

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Solution

The fourth proportional to 28,564.27, 42,886.72 and 18,000.04 is: 27,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564.27 : 42,886.72 = 18,000.04 : x
  2. Step 2: Convert to fraction form
    28,564.27/42,886.72 = 18,000.04/x
  3. Step 3: Cross multiply
    28,564.27x = 42,886.72 × 18,000.04
  4. Step 4: Simplify right side
    28,564.27x = 771,962,675.47
  5. Step 5: Solve for x
    x = 771,962,675.47/28,564.27
  6. Step 6: Final answer
    x = 27,025.46

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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.