Home / 28,802.04-39,755.78-16,861.02

Finding the Fourth Proportional to 28,802.04, 39,755.78 and 16,861.02

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Solution

The fourth proportional to 28,802.04, 39,755.78 and 16,861.02 is: 23,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.04 : 39,755.78 = 16,861.02 : x
  2. Step 2: Convert to fraction form
    28,802.04/39,755.78 = 16,861.02/x
  3. Step 3: Cross multiply
    28,802.04x = 39,755.78 × 16,861.02
  4. Step 4: Simplify right side
    28,802.04x = 670,323,001.70
  5. Step 5: Solve for x
    x = 670,323,001.70/28,802.04
  6. Step 6: Final answer
    x = 23,273.46

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1.5x scale

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.