Home / 28,058.72-42,083.75-9,339.08

Finding the Fourth Proportional to 28,058.72, 42,083.75 and 9,339.08

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Solution

The fourth proportional to 28,058.72, 42,083.75 and 9,339.08 is: 14,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.72 : 42,083.75 = 9,339.08 : x
  2. Step 2: Convert to fraction form
    28,058.72/42,083.75 = 9,339.08/x
  3. Step 3: Cross multiply
    28,058.72x = 42,083.75 × 9,339.08
  4. Step 4: Simplify right side
    28,058.72x = 393,023,320.88
  5. Step 5: Solve for x
    x = 393,023,320.88/28,058.72
  6. Step 6: Final answer
    x = 14,007.17

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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.