Home / 28,044.96-38,717.28-20,483.52

Finding the Fourth Proportional to 28,044.96, 38,717.28 and 20,483.52

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Solution

The fourth proportional to 28,044.96, 38,717.28 and 20,483.52 is: 28,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.96 : 38,717.28 = 20,483.52 : x
  2. Step 2: Convert to fraction form
    28,044.96/38,717.28 = 20,483.52/x
  3. Step 3: Cross multiply
    28,044.96x = 38,717.28 × 20,483.52
  4. Step 4: Simplify right side
    28,044.96x = 793,066,179.23
  5. Step 5: Solve for x
    x = 793,066,179.23/28,044.96
  6. Step 6: Final answer
    x = 28,278.39

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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.