Home / 28,042.61-42,027.31-11,383.13

Finding the Fourth Proportional to 28,042.61, 42,027.31 and 11,383.13

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Solution

The fourth proportional to 28,042.61, 42,027.31 and 11,383.13 is: 17,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.61 : 42,027.31 = 11,383.13 : x
  2. Step 2: Convert to fraction form
    28,042.61/42,027.31 = 11,383.13/x
  3. Step 3: Cross multiply
    28,042.61x = 42,027.31 × 11,383.13
  4. Step 4: Simplify right side
    28,042.61x = 478,402,388.55
  5. Step 5: Solve for x
    x = 478,402,388.55/28,042.61
  6. Step 6: Final answer
    x = 17,059.84

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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.