Home / 84,726.50-127,089.75-22,397

Finding the Fourth Proportional to 84,726.50, 127,089.75 and 22,397

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Solution

The fourth proportional to 84,726.50, 127,089.75 and 22,397 is: 33,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726.50 : 127,089.75 = 22,397 : x
  2. Step 2: Convert to fraction form
    84,726.50/127,089.75 = 22,397/x
  3. Step 3: Cross multiply
    84,726.50x = 127,089.75 × 22,397
  4. Step 4: Simplify right side
    84,726.50x = 2,846,429,130.75
  5. Step 5: Solve for x
    x = 2,846,429,130.75/84,726.50
  6. Step 6: Final answer
    x = 33,595.50

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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.