Home / 21,538.13-32,307.19-5,955.75

Finding the Fourth Proportional to 21,538.13, 32,307.19 and 5,955.75

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Solution

The fourth proportional to 21,538.13, 32,307.19 and 5,955.75 is: 8,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.13 : 32,307.19 = 5,955.75 : x
  2. Step 2: Convert to fraction form
    21,538.13/32,307.19 = 5,955.75/x
  3. Step 3: Cross multiply
    21,538.13x = 32,307.19 × 5,955.75
  4. Step 4: Simplify right side
    21,538.13x = 192,413,531.95
  5. Step 5: Solve for x
    x = 192,413,531.95/21,538.13
  6. Step 6: Final answer
    x = 8,933.63

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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.