Home / 28,781.53-39,718.35-16,035.27

Finding the Fourth Proportional to 28,781.53, 39,718.35 and 16,035.27

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Solution

The fourth proportional to 28,781.53, 39,718.35 and 16,035.27 is: 22,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.53 : 39,718.35 = 16,035.27 : x
  2. Step 2: Convert to fraction form
    28,781.53/39,718.35 = 16,035.27/x
  3. Step 3: Cross multiply
    28,781.53x = 39,718.35 × 16,035.27
  4. Step 4: Simplify right side
    28,781.53x = 636,894,317.26
  5. Step 5: Solve for x
    x = 636,894,317.26/28,781.53
  6. Step 6: Final answer
    x = 22,128.58

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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.