Home / 28,897.22-43,316.15-13,881.81

Finding the Fourth Proportional to 28,897.22, 43,316.15 and 13,881.81

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Solution

The fourth proportional to 28,897.22, 43,316.15 and 13,881.81 is: 20,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.22 : 43,316.15 = 13,881.81 : x
  2. Step 2: Convert to fraction form
    28,897.22/43,316.15 = 13,881.81/x
  3. Step 3: Cross multiply
    28,897.22x = 43,316.15 × 13,881.81
  4. Step 4: Simplify right side
    28,897.22x = 601,306,702.54
  5. Step 5: Solve for x
    x = 601,306,702.54/28,897.22
  6. Step 6: Final answer
    x = 20,808.46

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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.