Home / 28,058.06-42,078.72-23,115.44

Finding the Fourth Proportional to 28,058.06, 42,078.72 and 23,115.44

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Solution

The fourth proportional to 28,058.06, 42,078.72 and 23,115.44 is: 34,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.06 : 42,078.72 = 23,115.44 : x
  2. Step 2: Convert to fraction form
    28,058.06/42,078.72 = 23,115.44/x
  3. Step 3: Cross multiply
    28,058.06x = 42,078.72 × 23,115.44
  4. Step 4: Simplify right side
    28,058.06x = 972,668,127.44
  5. Step 5: Solve for x
    x = 972,668,127.44/28,058.06
  6. Step 6: Final answer
    x = 34,666.26

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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.