Home / 28,436.95-39,248.98-19,496.22

Finding the Fourth Proportional to 28,436.95, 39,248.98 and 19,496.22

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Solution

The fourth proportional to 28,436.95, 39,248.98 and 19,496.22 is: 26,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.95 : 39,248.98 = 19,496.22 : x
  2. Step 2: Convert to fraction form
    28,436.95/39,248.98 = 19,496.22/x
  3. Step 3: Cross multiply
    28,436.95x = 39,248.98 × 19,496.22
  4. Step 4: Simplify right side
    28,436.95x = 765,206,552.93
  5. Step 5: Solve for x
    x = 765,206,552.93/28,436.95
  6. Step 6: Final answer
    x = 26,908.88

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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.