Home / 28,883.52-39,858.14-18,134.20

Finding the Fourth Proportional to 28,883.52, 39,858.14 and 18,134.20

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Solution

The fourth proportional to 28,883.52, 39,858.14 and 18,134.20 is: 25,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.52 : 39,858.14 = 18,134.20 : x
  2. Step 2: Convert to fraction form
    28,883.52/39,858.14 = 18,134.20/x
  3. Step 3: Cross multiply
    28,883.52x = 39,858.14 × 18,134.20
  4. Step 4: Simplify right side
    28,883.52x = 722,795,482.39
  5. Step 5: Solve for x
    x = 722,795,482.39/28,883.52
  6. Step 6: Final answer
    x = 25,024.49

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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.