Home / 28,280.56-42,429.32-17,048.08

Finding the Fourth Proportional to 28,280.56, 42,429.32 and 17,048.08

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Solution

The fourth proportional to 28,280.56, 42,429.32 and 17,048.08 is: 25,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280.56 : 42,429.32 = 17,048.08 : x
  2. Step 2: Convert to fraction form
    28,280.56/42,429.32 = 17,048.08/x
  3. Step 3: Cross multiply
    28,280.56x = 42,429.32 × 17,048.08
  4. Step 4: Simplify right side
    28,280.56x = 723,338,441.71
  5. Step 5: Solve for x
    x = 723,338,441.71/28,280.56
  6. Step 6: Final answer
    x = 25,577.23

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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.