Home / 21,875.20-32,794.80-9,404.80

Finding the Fourth Proportional to 21,875.20, 32,794.80 and 9,404.80

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Solution

The fourth proportional to 21,875.20, 32,794.80 and 9,404.80 is: 14,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.20 : 32,794.80 = 9,404.80 : x
  2. Step 2: Convert to fraction form
    21,875.20/32,794.80 = 9,404.80/x
  3. Step 3: Cross multiply
    21,875.20x = 32,794.80 × 9,404.80
  4. Step 4: Simplify right side
    21,875.20x = 308,428,535.04
  5. Step 5: Solve for x
    x = 308,428,535.04/21,875.20
  6. Step 6: Final answer
    x = 14,099.46

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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.