Home / 28,823.84-43,237.08-8,831.90

Finding the Fourth Proportional to 28,823.84, 43,237.08 and 8,831.90

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Solution

The fourth proportional to 28,823.84, 43,237.08 and 8,831.90 is: 13,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.84 : 43,237.08 = 8,831.90 : x
  2. Step 2: Convert to fraction form
    28,823.84/43,237.08 = 8,831.90/x
  3. Step 3: Cross multiply
    28,823.84x = 43,237.08 × 8,831.90
  4. Step 4: Simplify right side
    28,823.84x = 381,865,350.67
  5. Step 5: Solve for x
    x = 381,865,350.67/28,823.84
  6. Step 6: Final answer
    x = 13,248.25

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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.