Home / 21,923.68-32,857.84-14,023.20

Finding the Fourth Proportional to 21,923.68, 32,857.84 and 14,023.20

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Solution

The fourth proportional to 21,923.68, 32,857.84 and 14,023.20 is: 21,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.68 : 32,857.84 = 14,023.20 : x
  2. Step 2: Convert to fraction form
    21,923.68/32,857.84 = 14,023.20/x
  3. Step 3: Cross multiply
    21,923.68x = 32,857.84 × 14,023.20
  4. Step 4: Simplify right side
    21,923.68x = 460,772,061.89
  5. Step 5: Solve for x
    x = 460,772,061.89/21,923.68
  6. Step 6: Final answer
    x = 21,017.09

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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.