Home / 28,044.48-38,699.19-16,105.51

Finding the Fourth Proportional to 28,044.48, 38,699.19 and 16,105.51

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Solution

The fourth proportional to 28,044.48, 38,699.19 and 16,105.51 is: 22,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.48 : 38,699.19 = 16,105.51 : x
  2. Step 2: Convert to fraction form
    28,044.48/38,699.19 = 16,105.51/x
  3. Step 3: Cross multiply
    28,044.48x = 38,699.19 × 16,105.51
  4. Step 4: Simplify right side
    28,044.48x = 623,270,176.37
  5. Step 5: Solve for x
    x = 623,270,176.37/28,044.48
  6. Step 6: Final answer
    x = 22,224.35

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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.