Home / 21,568.11-32,357.02-8,424.24

Finding the Fourth Proportional to 21,568.11, 32,357.02 and 8,424.24

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Solution

The fourth proportional to 21,568.11, 32,357.02 and 8,424.24 is: 12,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.11 : 32,357.02 = 8,424.24 : x
  2. Step 2: Convert to fraction form
    21,568.11/32,357.02 = 8,424.24/x
  3. Step 3: Cross multiply
    21,568.11x = 32,357.02 × 8,424.24
  4. Step 4: Simplify right side
    21,568.11x = 272,583,302.16
  5. Step 5: Solve for x
    x = 272,583,302.16/21,568.11
  6. Step 6: Final answer
    x = 12,638.26

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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.