Home / 28,949.79-39,938.03-17,007.74

Finding the Fourth Proportional to 28,949.79, 39,938.03 and 17,007.74

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Solution

The fourth proportional to 28,949.79, 39,938.03 and 17,007.74 is: 23,463.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.79 : 39,938.03 = 17,007.74 : x
  2. Step 2: Convert to fraction form
    28,949.79/39,938.03 = 17,007.74/x
  3. Step 3: Cross multiply
    28,949.79x = 39,938.03 × 17,007.74
  4. Step 4: Simplify right side
    28,949.79x = 679,255,630.35
  5. Step 5: Solve for x
    x = 679,255,630.35/28,949.79
  6. Step 6: Final answer
    x = 23,463.23

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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.