Home / 19,960.20-27,557.10-17,746.20

Finding the Fourth Proportional to 19,960.20, 27,557.10 and 17,746.20

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Solution

The fourth proportional to 19,960.20, 27,557.10 and 17,746.20 is: 24,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.20 : 27,557.10 = 17,746.20 : x
  2. Step 2: Convert to fraction form
    19,960.20/27,557.10 = 17,746.20/x
  3. Step 3: Cross multiply
    19,960.20x = 27,557.10 × 17,746.20
  4. Step 4: Simplify right side
    19,960.20x = 489,033,808.02
  5. Step 5: Solve for x
    x = 489,033,808.02/19,960.20
  6. Step 6: Final answer
    x = 24,500.45

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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.