Home / 28,248.09-42,355.51-10,719.15

Finding the Fourth Proportional to 28,248.09, 42,355.51 and 10,719.15

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Solution

The fourth proportional to 28,248.09, 42,355.51 and 10,719.15 is: 16,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.09 : 42,355.51 = 10,719.15 : x
  2. Step 2: Convert to fraction form
    28,248.09/42,355.51 = 10,719.15/x
  3. Step 3: Cross multiply
    28,248.09x = 42,355.51 × 10,719.15
  4. Step 4: Simplify right side
    28,248.09x = 454,015,065.02
  5. Step 5: Solve for x
    x = 454,015,065.02/28,248.09
  6. Step 6: Final answer
    x = 16,072.42

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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.