Home / 21,569.76-32,325.48-11,188.80

Finding the Fourth Proportional to 21,569.76, 32,325.48 and 11,188.80

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Solution

The fourth proportional to 21,569.76, 32,325.48 and 11,188.80 is: 16,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.76 : 32,325.48 = 11,188.80 : x
  2. Step 2: Convert to fraction form
    21,569.76/32,325.48 = 11,188.80/x
  3. Step 3: Cross multiply
    21,569.76x = 32,325.48 × 11,188.80
  4. Step 4: Simplify right side
    21,569.76x = 361,683,330.62
  5. Step 5: Solve for x
    x = 361,683,330.62/21,569.76
  6. Step 6: Final answer
    x = 16,768.07

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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.