Home / 28,977.80-43,365.90-17,299.40

Finding the Fourth Proportional to 28,977.80, 43,365.90 and 17,299.40

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Solution

The fourth proportional to 28,977.80, 43,365.90 and 17,299.40 is: 25,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.80 : 43,365.90 = 17,299.40 : x
  2. Step 2: Convert to fraction form
    28,977.80/43,365.90 = 17,299.40/x
  3. Step 3: Cross multiply
    28,977.80x = 43,365.90 × 17,299.40
  4. Step 4: Simplify right side
    28,977.80x = 750,204,050.46
  5. Step 5: Solve for x
    x = 750,204,050.46/28,977.80
  6. Step 6: Final answer
    x = 25,888.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.