Home / 17,638.79-26,579.55-14,587.41

Finding the Fourth Proportional to 17,638.79, 26,579.55 and 14,587.41

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Solution

The fourth proportional to 17,638.79, 26,579.55 and 14,587.41 is: 21,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.79 : 26,579.55 = 14,587.41 : x
  2. Step 2: Convert to fraction form
    17,638.79/26,579.55 = 14,587.41/x
  3. Step 3: Cross multiply
    17,638.79x = 26,579.55 × 14,587.41
  4. Step 4: Simplify right side
    17,638.79x = 387,726,793.47
  5. Step 5: Solve for x
    x = 387,726,793.47/17,638.79
  6. Step 6: Final answer
    x = 21,981.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.