Home / 23,221.72-34,877.40-19,897.48

Finding the Fourth Proportional to 23,221.72, 34,877.40 and 19,897.48

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Solution

The fourth proportional to 23,221.72, 34,877.40 and 19,897.48 is: 29,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.72 : 34,877.40 = 19,897.48 : x
  2. Step 2: Convert to fraction form
    23,221.72/34,877.40 = 19,897.48/x
  3. Step 3: Cross multiply
    23,221.72x = 34,877.40 × 19,897.48
  4. Step 4: Simplify right side
    23,221.72x = 693,972,368.95
  5. Step 5: Solve for x
    x = 693,972,368.95/23,221.72
  6. Step 6: Final answer
    x = 29,884.62

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1.5x scale

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.