Home / 28,351.05-39,117.77-23,830.91

Finding the Fourth Proportional to 28,351.05, 39,117.77 and 23,830.91

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Solution

The fourth proportional to 28,351.05, 39,117.77 and 23,830.91 is: 32,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.05 : 39,117.77 = 23,830.91 : x
  2. Step 2: Convert to fraction form
    28,351.05/39,117.77 = 23,830.91/x
  3. Step 3: Cross multiply
    28,351.05x = 39,117.77 × 23,830.91
  4. Step 4: Simplify right side
    28,351.05x = 932,211,977.58
  5. Step 5: Solve for x
    x = 932,211,977.58/28,351.05
  6. Step 6: Final answer
    x = 32,881.04

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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.