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Finding the Fourth Proportional to 28,803, 39,750.18 and 16,227.76

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Solution

The fourth proportional to 28,803, 39,750.18 and 16,227.76 is: 22,395.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803 : 39,750.18 = 16,227.76 : x
  2. Step 2: Convert to fraction form
    28,803/39,750.18 = 16,227.76/x
  3. Step 3: Cross multiply
    28,803x = 39,750.18 × 16,227.76
  4. Step 4: Simplify right side
    28,803x = 645,056,381.00
  5. Step 5: Solve for x
    x = 645,056,381.00/28,803
  6. Step 6: Final answer
    x = 22,395.46

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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.