Home / 28,484.16-39,301.44-16,540.32

Finding the Fourth Proportional to 28,484.16, 39,301.44 and 16,540.32

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Solution

The fourth proportional to 28,484.16, 39,301.44 and 16,540.32 is: 22,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.16 : 39,301.44 = 16,540.32 : x
  2. Step 2: Convert to fraction form
    28,484.16/39,301.44 = 16,540.32/x
  3. Step 3: Cross multiply
    28,484.16x = 39,301.44 × 16,540.32
  4. Step 4: Simplify right side
    28,484.16x = 650,058,394.06
  5. Step 5: Solve for x
    x = 650,058,394.06/28,484.16
  6. Step 6: Final answer
    x = 22,821.75

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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.