Home / 28,880.91-39,858.33-17,547.79

Finding the Fourth Proportional to 28,880.91, 39,858.33 and 17,547.79

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Solution

The fourth proportional to 28,880.91, 39,858.33 and 17,547.79 is: 24,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.91 : 39,858.33 = 17,547.79 : x
  2. Step 2: Convert to fraction form
    28,880.91/39,858.33 = 17,547.79/x
  3. Step 3: Cross multiply
    28,880.91x = 39,858.33 × 17,547.79
  4. Step 4: Simplify right side
    28,880.91x = 699,425,604.59
  5. Step 5: Solve for x
    x = 699,425,604.59/28,880.91
  6. Step 6: Final answer
    x = 24,217.58

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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.