Home / 21,352.16-32,018.48-6,555.92

Finding the Fourth Proportional to 21,352.16, 32,018.48 and 6,555.92

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Solution

The fourth proportional to 21,352.16, 32,018.48 and 6,555.92 is: 9,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.16 : 32,018.48 = 6,555.92 : x
  2. Step 2: Convert to fraction form
    21,352.16/32,018.48 = 6,555.92/x
  3. Step 3: Cross multiply
    21,352.16x = 32,018.48 × 6,555.92
  4. Step 4: Simplify right side
    21,352.16x = 209,910,593.40
  5. Step 5: Solve for x
    x = 209,910,593.40/21,352.16
  6. Step 6: Final answer
    x = 9,830.88

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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.