Home / 21,690.81-32,552.70-15,023.58

Finding the Fourth Proportional to 21,690.81, 32,552.70 and 15,023.58

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Solution

The fourth proportional to 21,690.81, 32,552.70 and 15,023.58 is: 22,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,690.81 : 32,552.70 = 15,023.58 : x
  2. Step 2: Convert to fraction form
    21,690.81/32,552.70 = 15,023.58/x
  3. Step 3: Cross multiply
    21,690.81x = 32,552.70 × 15,023.58
  4. Step 4: Simplify right side
    21,690.81x = 489,058,092.67
  5. Step 5: Solve for x
    x = 489,058,092.67/21,690.81
  6. Step 6: Final answer
    x = 22,546.79

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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.