Home / 28,042.91-42,055.26-9,317.92

Finding the Fourth Proportional to 28,042.91, 42,055.26 and 9,317.92

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Solution

The fourth proportional to 28,042.91, 42,055.26 and 9,317.92 is: 13,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.91 : 42,055.26 = 9,317.92 : x
  2. Step 2: Convert to fraction form
    28,042.91/42,055.26 = 9,317.92/x
  3. Step 3: Cross multiply
    28,042.91x = 42,055.26 × 9,317.92
  4. Step 4: Simplify right side
    28,042.91x = 391,867,478.06
  5. Step 5: Solve for x
    x = 391,867,478.06/28,042.91
  6. Step 6: Final answer
    x = 13,973.85

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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.