Home / 28,017.52-38,663.44-15,442.32

Finding the Fourth Proportional to 28,017.52, 38,663.44 and 15,442.32

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Solution

The fourth proportional to 28,017.52, 38,663.44 and 15,442.32 is: 21,310.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.52 : 38,663.44 = 15,442.32 : x
  2. Step 2: Convert to fraction form
    28,017.52/38,663.44 = 15,442.32/x
  3. Step 3: Cross multiply
    28,017.52x = 38,663.44 × 15,442.32
  4. Step 4: Simplify right side
    28,017.52x = 597,053,212.78
  5. Step 5: Solve for x
    x = 597,053,212.78/28,017.52
  6. Step 6: Final answer
    x = 21,310.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.