Home / 21,864.72-32,801.40-14,062.80

Finding the Fourth Proportional to 21,864.72, 32,801.40 and 14,062.80

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Solution

The fourth proportional to 21,864.72, 32,801.40 and 14,062.80 is: 21,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.72 : 32,801.40 = 14,062.80 : x
  2. Step 2: Convert to fraction form
    21,864.72/32,801.40 = 14,062.80/x
  3. Step 3: Cross multiply
    21,864.72x = 32,801.40 × 14,062.80
  4. Step 4: Simplify right side
    21,864.72x = 461,279,527.92
  5. Step 5: Solve for x
    x = 461,279,527.92/21,864.72
  6. Step 6: Final answer
    x = 21,096.98

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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.