Home / 28,077.13-42,101.64-9,350.63

Finding the Fourth Proportional to 28,077.13, 42,101.64 and 9,350.63

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Solution

The fourth proportional to 28,077.13, 42,101.64 and 9,350.63 is: 14,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.13 : 42,101.64 = 9,350.63 : x
  2. Step 2: Convert to fraction form
    28,077.13/42,101.64 = 9,350.63/x
  3. Step 3: Cross multiply
    28,077.13x = 42,101.64 × 9,350.63
  4. Step 4: Simplify right side
    28,077.13x = 393,677,042.23
  5. Step 5: Solve for x
    x = 393,677,042.23/28,077.13
  6. Step 6: Final answer
    x = 14,021.27

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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.