Home / 21,959.61-32,939.46-10,281.03

Finding the Fourth Proportional to 21,959.61, 32,939.46 and 10,281.03

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Solution

The fourth proportional to 21,959.61, 32,939.46 and 10,281.03 is: 15,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959.61 : 32,939.46 = 10,281.03 : x
  2. Step 2: Convert to fraction form
    21,959.61/32,939.46 = 10,281.03/x
  3. Step 3: Cross multiply
    21,959.61x = 32,939.46 × 10,281.03
  4. Step 4: Simplify right side
    21,959.61x = 338,651,576.44
  5. Step 5: Solve for x
    x = 338,651,576.44/21,959.61
  6. Step 6: Final answer
    x = 15,421.57

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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.