Home / 28,097.52-38,756.88-18,015.36

Finding the Fourth Proportional to 28,097.52, 38,756.88 and 18,015.36

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Solution

The fourth proportional to 28,097.52, 38,756.88 and 18,015.36 is: 24,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.52 : 38,756.88 = 18,015.36 : x
  2. Step 2: Convert to fraction form
    28,097.52/38,756.88 = 18,015.36/x
  3. Step 3: Cross multiply
    28,097.52x = 38,756.88 × 18,015.36
  4. Step 4: Simplify right side
    28,097.52x = 698,219,145.68
  5. Step 5: Solve for x
    x = 698,219,145.68/28,097.52
  6. Step 6: Final answer
    x = 24,849.85

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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.