Home / 28,690.84-39,630.77-22,058.02

Finding the Fourth Proportional to 28,690.84, 39,630.77 and 22,058.02

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Solution

The fourth proportional to 28,690.84, 39,630.77 and 22,058.02 is: 30,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.84 : 39,630.77 = 22,058.02 : x
  2. Step 2: Convert to fraction form
    28,690.84/39,630.77 = 22,058.02/x
  3. Step 3: Cross multiply
    28,690.84x = 39,630.77 × 22,058.02
  4. Step 4: Simplify right side
    28,690.84x = 874,176,317.28
  5. Step 5: Solve for x
    x = 874,176,317.28/28,690.84
  6. Step 6: Final answer
    x = 30,468.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.