Home / 28,970.34-39,979.38-17,792.34

Finding the Fourth Proportional to 28,970.34, 39,979.38 and 17,792.34

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Solution

The fourth proportional to 28,970.34, 39,979.38 and 17,792.34 is: 24,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.34 : 39,979.38 = 17,792.34 : x
  2. Step 2: Convert to fraction form
    28,970.34/39,979.38 = 17,792.34/x
  3. Step 3: Cross multiply
    28,970.34x = 39,979.38 × 17,792.34
  4. Step 4: Simplify right side
    28,970.34x = 711,326,721.95
  5. Step 5: Solve for x
    x = 711,326,721.95/28,970.34
  6. Step 6: Final answer
    x = 24,553.62

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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.