Home / 28,044.45-38,701.26-15,297.57

Finding the Fourth Proportional to 28,044.45, 38,701.26 and 15,297.57

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Solution

The fourth proportional to 28,044.45, 38,701.26 and 15,297.57 is: 21,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.45 : 38,701.26 = 15,297.57 : x
  2. Step 2: Convert to fraction form
    28,044.45/38,701.26 = 15,297.57/x
  3. Step 3: Cross multiply
    28,044.45x = 38,701.26 × 15,297.57
  4. Step 4: Simplify right side
    28,044.45x = 592,035,233.94
  5. Step 5: Solve for x
    x = 592,035,233.94/28,044.45
  6. Step 6: Final answer
    x = 21,110.60

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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.