Home / 28,901.61-43,377.03-11,383.74

Finding the Fourth Proportional to 28,901.61, 43,377.03 and 11,383.74

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Solution

The fourth proportional to 28,901.61, 43,377.03 and 11,383.74 is: 17,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.61 : 43,377.03 = 11,383.74 : x
  2. Step 2: Convert to fraction form
    28,901.61/43,377.03 = 11,383.74/x
  3. Step 3: Cross multiply
    28,901.61x = 43,377.03 × 11,383.74
  4. Step 4: Simplify right side
    28,901.61x = 493,792,831.49
  5. Step 5: Solve for x
    x = 493,792,831.49/28,901.61
  6. Step 6: Final answer
    x = 17,085.31

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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.