Home / 21,521.42-32,293.19-8,880.52

Finding the Fourth Proportional to 21,521.42, 32,293.19 and 8,880.52

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Solution

The fourth proportional to 21,521.42, 32,293.19 and 8,880.52 is: 13,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.42 : 32,293.19 = 8,880.52 : x
  2. Step 2: Convert to fraction form
    21,521.42/32,293.19 = 8,880.52/x
  3. Step 3: Cross multiply
    21,521.42x = 32,293.19 × 8,880.52
  4. Step 4: Simplify right side
    21,521.42x = 286,780,113.79
  5. Step 5: Solve for x
    x = 286,780,113.79/21,521.42
  6. Step 6: Final answer
    x = 13,325.33

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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.