Home / 28,208.16-42,329.81-25,580.41

Finding the Fourth Proportional to 28,208.16, 42,329.81 and 25,580.41

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Solution

The fourth proportional to 28,208.16, 42,329.81 and 25,580.41 is: 38,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.16 : 42,329.81 = 25,580.41 : x
  2. Step 2: Convert to fraction form
    28,208.16/42,329.81 = 25,580.41/x
  3. Step 3: Cross multiply
    28,208.16x = 42,329.81 × 25,580.41
  4. Step 4: Simplify right side
    28,208.16x = 1,082,813,853.15
  5. Step 5: Solve for x
    x = 1,082,813,853.15/28,208.16
  6. Step 6: Final answer
    x = 38,386.55

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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.