Home / 37,886.15-52,281.89-20,890.11

Finding the Fourth Proportional to 37,886.15, 52,281.89 and 20,890.11

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Solution

The fourth proportional to 37,886.15, 52,281.89 and 20,890.11 is: 28,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.15 : 52,281.89 = 20,890.11 : x
  2. Step 2: Convert to fraction form
    37,886.15/52,281.89 = 20,890.11/x
  3. Step 3: Cross multiply
    37,886.15x = 52,281.89 × 20,890.11
  4. Step 4: Simplify right side
    37,886.15x = 1,092,174,197.95
  5. Step 5: Solve for x
    x = 1,092,174,197.95/37,886.15
  6. Step 6: Final answer
    x = 28,827.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.