Home / 21,973.31-32,903.66-15,209.52

Finding the Fourth Proportional to 21,973.31, 32,903.66 and 15,209.52

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Solution

The fourth proportional to 21,973.31, 32,903.66 and 15,209.52 is: 22,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.31 : 32,903.66 = 15,209.52 : x
  2. Step 2: Convert to fraction form
    21,973.31/32,903.66 = 15,209.52/x
  3. Step 3: Cross multiply
    21,973.31x = 32,903.66 × 15,209.52
  4. Step 4: Simplify right side
    21,973.31x = 500,448,672.30
  5. Step 5: Solve for x
    x = 500,448,672.30/21,973.31
  6. Step 6: Final answer
    x = 22,775.30

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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.