Home / 28,289.76-39,046.88-16,360

Finding the Fourth Proportional to 28,289.76, 39,046.88 and 16,360

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Solution

The fourth proportional to 28,289.76, 39,046.88 and 16,360 is: 22,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.76 : 39,046.88 = 16,360 : x
  2. Step 2: Convert to fraction form
    28,289.76/39,046.88 = 16,360/x
  3. Step 3: Cross multiply
    28,289.76x = 39,046.88 × 16,360
  4. Step 4: Simplify right side
    28,289.76x = 638,806,875
  5. Step 5: Solve for x
    x = 638,806,875/28,289.76
  6. Step 6: Final answer
    x = 22,580.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.