Home / 28,444.23-42,634.55-10,657.78

Finding the Fourth Proportional to 28,444.23, 42,634.55 and 10,657.78

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Solution

The fourth proportional to 28,444.23, 42,634.55 and 10,657.78 is: 15,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.23 : 42,634.55 = 10,657.78 : x
  2. Step 2: Convert to fraction form
    28,444.23/42,634.55 = 10,657.78/x
  3. Step 3: Cross multiply
    28,444.23x = 42,634.55 × 10,657.78
  4. Step 4: Simplify right side
    28,444.23x = 454,389,574.36
  5. Step 5: Solve for x
    x = 454,389,574.36/28,444.23
  6. Step 6: Final answer
    x = 15,974.75

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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.