Home / 28,838.72-39,800.18-17,505.62

Finding the Fourth Proportional to 28,838.72, 39,800.18 and 17,505.62

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Solution

The fourth proportional to 28,838.72, 39,800.18 and 17,505.62 is: 24,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.72 : 39,800.18 = 17,505.62 : x
  2. Step 2: Convert to fraction form
    28,838.72/39,800.18 = 17,505.62/x
  3. Step 3: Cross multiply
    28,838.72x = 39,800.18 × 17,505.62
  4. Step 4: Simplify right side
    28,838.72x = 696,726,821.03
  5. Step 5: Solve for x
    x = 696,726,821.03/28,838.72
  6. Step 6: Final answer
    x = 24,159.42

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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.