Home / 28,058.92-38,707.96-16,721.88

Finding the Fourth Proportional to 28,058.92, 38,707.96 and 16,721.88

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Solution

The fourth proportional to 28,058.92, 38,707.96 and 16,721.88 is: 23,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.92 : 38,707.96 = 16,721.88 : x
  2. Step 2: Convert to fraction form
    28,058.92/38,707.96 = 16,721.88/x
  3. Step 3: Cross multiply
    28,058.92x = 38,707.96 × 16,721.88
  4. Step 4: Simplify right side
    28,058.92x = 647,269,862.16
  5. Step 5: Solve for x
    x = 647,269,862.16/28,058.92
  6. Step 6: Final answer
    x = 23,068.24

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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.