Home / 21,521.54-32,284.17-5,939.16

Finding the Fourth Proportional to 21,521.54, 32,284.17 and 5,939.16

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Solution

The fourth proportional to 21,521.54, 32,284.17 and 5,939.16 is: 8,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.54 : 32,284.17 = 5,939.16 : x
  2. Step 2: Convert to fraction form
    21,521.54/32,284.17 = 5,939.16/x
  3. Step 3: Cross multiply
    21,521.54x = 32,284.17 × 5,939.16
  4. Step 4: Simplify right side
    21,521.54x = 191,740,821.40
  5. Step 5: Solve for x
    x = 191,740,821.40/21,521.54
  6. Step 6: Final answer
    x = 8,909.25

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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.