Home / 21,407.52-32,069.73-15,774.97

Finding the Fourth Proportional to 21,407.52, 32,069.73 and 15,774.97

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Solution

The fourth proportional to 21,407.52, 32,069.73 and 15,774.97 is: 23,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407.52 : 32,069.73 = 15,774.97 : x
  2. Step 2: Convert to fraction form
    21,407.52/32,069.73 = 15,774.97/x
  3. Step 3: Cross multiply
    21,407.52x = 32,069.73 × 15,774.97
  4. Step 4: Simplify right side
    21,407.52x = 505,899,028.66
  5. Step 5: Solve for x
    x = 505,899,028.66/21,407.52
  6. Step 6: Final answer
    x = 23,631.84

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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.