Home / 28,883.43-39,858.80-16,135.79

Finding the Fourth Proportional to 28,883.43, 39,858.80 and 16,135.79

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Solution

The fourth proportional to 28,883.43, 39,858.80 and 16,135.79 is: 22,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.43 : 39,858.80 = 16,135.79 : x
  2. Step 2: Convert to fraction form
    28,883.43/39,858.80 = 16,135.79/x
  3. Step 3: Cross multiply
    28,883.43x = 39,858.80 × 16,135.79
  4. Step 4: Simplify right side
    28,883.43x = 643,152,946.48
  5. Step 5: Solve for x
    x = 643,152,946.48/28,883.43
  6. Step 6: Final answer
    x = 22,267.19

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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.