Home / 21,760.10-32,642.42-9,281.44

Finding the Fourth Proportional to 21,760.10, 32,642.42 and 9,281.44

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Solution

The fourth proportional to 21,760.10, 32,642.42 and 9,281.44 is: 13,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.10 : 32,642.42 = 9,281.44 : x
  2. Step 2: Convert to fraction form
    21,760.10/32,642.42 = 9,281.44/x
  3. Step 3: Cross multiply
    21,760.10x = 32,642.42 × 9,281.44
  4. Step 4: Simplify right side
    21,760.10x = 302,968,534.67
  5. Step 5: Solve for x
    x = 302,968,534.67/21,760.10
  6. Step 6: Final answer
    x = 13,923.13

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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.