Home / 21,933.96-32,905.76-10,240.80

Finding the Fourth Proportional to 21,933.96, 32,905.76 and 10,240.80

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Solution

The fourth proportional to 21,933.96, 32,905.76 and 10,240.80 is: 15,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.96 : 32,905.76 = 10,240.80 : x
  2. Step 2: Convert to fraction form
    21,933.96/32,905.76 = 10,240.80/x
  3. Step 3: Cross multiply
    21,933.96x = 32,905.76 × 10,240.80
  4. Step 4: Simplify right side
    21,933.96x = 336,981,307.01
  5. Step 5: Solve for x
    x = 336,981,307.01/21,933.96
  6. Step 6: Final answer
    x = 15,363.45

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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.