Home / 21,357.30-32,039.28-10,261.92

Finding the Fourth Proportional to 21,357.30, 32,039.28 and 10,261.92

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Solution

The fourth proportional to 21,357.30, 32,039.28 and 10,261.92 is: 15,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.30 : 32,039.28 = 10,261.92 : x
  2. Step 2: Convert to fraction form
    21,357.30/32,039.28 = 10,261.92/x
  3. Step 3: Cross multiply
    21,357.30x = 32,039.28 × 10,261.92
  4. Step 4: Simplify right side
    21,357.30x = 328,784,528.22
  5. Step 5: Solve for x
    x = 328,784,528.22/21,357.30
  6. Step 6: Final answer
    x = 15,394.48

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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.