Home / 21,615.24-32,400.38-9,124.84

Finding the Fourth Proportional to 21,615.24, 32,400.38 and 9,124.84

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Solution

The fourth proportional to 21,615.24, 32,400.38 and 9,124.84 is: 13,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.24 : 32,400.38 = 9,124.84 : x
  2. Step 2: Convert to fraction form
    21,615.24/32,400.38 = 9,124.84/x
  3. Step 3: Cross multiply
    21,615.24x = 32,400.38 × 9,124.84
  4. Step 4: Simplify right side
    21,615.24x = 295,648,283.44
  5. Step 5: Solve for x
    x = 295,648,283.44/21,615.24
  6. Step 6: Final answer
    x = 13,677.77

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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.