Home / 21,864.60-32,821.20-12,023.10

Finding the Fourth Proportional to 21,864.60, 32,821.20 and 12,023.10

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Solution

The fourth proportional to 21,864.60, 32,821.20 and 12,023.10 is: 18,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.60 : 32,821.20 = 12,023.10 : x
  2. Step 2: Convert to fraction form
    21,864.60/32,821.20 = 12,023.10/x
  3. Step 3: Cross multiply
    21,864.60x = 32,821.20 × 12,023.10
  4. Step 4: Simplify right side
    21,864.60x = 394,612,569.72
  5. Step 5: Solve for x
    x = 394,612,569.72/21,864.60
  6. Step 6: Final answer
    x = 18,048.01

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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.