Home / 28,883.52-39,858.75-16,135.88

Finding the Fourth Proportional to 28,883.52, 39,858.75 and 16,135.88

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Solution

The fourth proportional to 28,883.52, 39,858.75 and 16,135.88 is: 22,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.52 : 39,858.75 = 16,135.88 : x
  2. Step 2: Convert to fraction form
    28,883.52/39,858.75 = 16,135.88/x
  3. Step 3: Cross multiply
    28,883.52x = 39,858.75 × 16,135.88
  4. Step 4: Simplify right side
    28,883.52x = 643,155,807.66
  5. Step 5: Solve for x
    x = 643,155,807.66/28,883.52
  6. Step 6: Final answer
    x = 22,267.22

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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.