Home / 21,760.48-32,645.60-7,909.52

Finding the Fourth Proportional to 21,760.48, 32,645.60 and 7,909.52

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Solution

The fourth proportional to 21,760.48, 32,645.60 and 7,909.52 is: 11,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.48 : 32,645.60 = 7,909.52 : x
  2. Step 2: Convert to fraction form
    21,760.48/32,645.60 = 7,909.52/x
  3. Step 3: Cross multiply
    21,760.48x = 32,645.60 × 7,909.52
  4. Step 4: Simplify right side
    21,760.48x = 258,211,026.11
  5. Step 5: Solve for x
    x = 258,211,026.11/21,760.48
  6. Step 6: Final answer
    x = 11,866.05

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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.