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Finding the Fourth Proportional to 28,080.48, 42,054.48 and 22,219.68

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Solution

The fourth proportional to 28,080.48, 42,054.48 and 22,219.68 is: 33,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.48 : 42,054.48 = 22,219.68 : x
  2. Step 2: Convert to fraction form
    28,080.48/42,054.48 = 22,219.68/x
  3. Step 3: Cross multiply
    28,080.48x = 42,054.48 × 22,219.68
  4. Step 4: Simplify right side
    28,080.48x = 934,437,088.17
  5. Step 5: Solve for x
    x = 934,437,088.17/28,080.48
  6. Step 6: Final answer
    x = 33,277.11

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1.5x scale

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.