Home / 28,192.26-42,275.54-13,419.02

Finding the Fourth Proportional to 28,192.26, 42,275.54 and 13,419.02

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Solution

The fourth proportional to 28,192.26, 42,275.54 and 13,419.02 is: 20,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.26 : 42,275.54 = 13,419.02 : x
  2. Step 2: Convert to fraction form
    28,192.26/42,275.54 = 13,419.02/x
  3. Step 3: Cross multiply
    28,192.26x = 42,275.54 × 13,419.02
  4. Step 4: Simplify right side
    28,192.26x = 567,296,316.77
  5. Step 5: Solve for x
    x = 567,296,316.77/28,192.26
  6. Step 6: Final answer
    x = 20,122.41

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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.