Home / 28,063.86-42,154.10-22,261.02

Finding the Fourth Proportional to 28,063.86, 42,154.10 and 22,261.02

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Solution

The fourth proportional to 28,063.86, 42,154.10 and 22,261.02 is: 33,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.86 : 42,154.10 = 22,261.02 : x
  2. Step 2: Convert to fraction form
    28,063.86/42,154.10 = 22,261.02/x
  3. Step 3: Cross multiply
    28,063.86x = 42,154.10 × 22,261.02
  4. Step 4: Simplify right side
    28,063.86x = 938,393,263.18
  5. Step 5: Solve for x
    x = 938,393,263.18/28,063.86
  6. Step 6: Final answer
    x = 33,437.78

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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.