Home / 21,534.84-32,282.70-15,981.48

Finding the Fourth Proportional to 21,534.84, 32,282.70 and 15,981.48

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Solution

The fourth proportional to 21,534.84, 32,282.70 and 15,981.48 is: 23,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.84 : 32,282.70 = 15,981.48 : x
  2. Step 2: Convert to fraction form
    21,534.84/32,282.70 = 15,981.48/x
  3. Step 3: Cross multiply
    21,534.84x = 32,282.70 × 15,981.48
  4. Step 4: Simplify right side
    21,534.84x = 515,925,324.40
  5. Step 5: Solve for x
    x = 515,925,324.40/21,534.84
  6. Step 6: Final answer
    x = 23,957.70

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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.