Home / 21,335.72-32,011.88-8,852.54

Finding the Fourth Proportional to 21,335.72, 32,011.88 and 8,852.54

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Solution

The fourth proportional to 21,335.72, 32,011.88 and 8,852.54 is: 13,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.72 : 32,011.88 = 8,852.54 : x
  2. Step 2: Convert to fraction form
    21,335.72/32,011.88 = 8,852.54/x
  3. Step 3: Cross multiply
    21,335.72x = 32,011.88 × 8,852.54
  4. Step 4: Simplify right side
    21,335.72x = 283,386,243.85
  5. Step 5: Solve for x
    x = 283,386,243.85/21,335.72
  6. Step 6: Final answer
    x = 13,282.25

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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.