Home / 19,282.28-28,859.29-16,970.09

Finding the Fourth Proportional to 19,282.28, 28,859.29 and 16,970.09

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Solution

The fourth proportional to 19,282.28, 28,859.29 and 16,970.09 is: 25,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.28 : 28,859.29 = 16,970.09 : x
  2. Step 2: Convert to fraction form
    19,282.28/28,859.29 = 16,970.09/x
  3. Step 3: Cross multiply
    19,282.28x = 28,859.29 × 16,970.09
  4. Step 4: Simplify right side
    19,282.28x = 489,744,846.00
  5. Step 5: Solve for x
    x = 489,744,846.00/19,282.28
  6. Step 6: Final answer
    x = 25,398.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.