Home / 28,379.34-42,595.28-14,349.27

Finding the Fourth Proportional to 28,379.34, 42,595.28 and 14,349.27

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Solution

The fourth proportional to 28,379.34, 42,595.28 and 14,349.27 is: 21,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,379.34 : 42,595.28 = 14,349.27 : x
  2. Step 2: Convert to fraction form
    28,379.34/42,595.28 = 14,349.27/x
  3. Step 3: Cross multiply
    28,379.34x = 42,595.28 × 14,349.27
  4. Step 4: Simplify right side
    28,379.34x = 611,211,101.70
  5. Step 5: Solve for x
    x = 611,211,101.70/28,379.34
  6. Step 6: Final answer
    x = 21,537.19

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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.