Home / 28,980.07-43,508.99-17,155.69

Finding the Fourth Proportional to 28,980.07, 43,508.99 and 17,155.69

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Solution

The fourth proportional to 28,980.07, 43,508.99 and 17,155.69 is: 25,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.07 : 43,508.99 = 17,155.69 : x
  2. Step 2: Convert to fraction form
    28,980.07/43,508.99 = 17,155.69/x
  3. Step 3: Cross multiply
    28,980.07x = 43,508.99 × 17,155.69
  4. Step 4: Simplify right side
    28,980.07x = 746,426,744.65
  5. Step 5: Solve for x
    x = 746,426,744.65/28,980.07
  6. Step 6: Final answer
    x = 25,756.55

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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.