Home / 38,515.20-53,130.24-26,557.44

Finding the Fourth Proportional to 38,515.20, 53,130.24 and 26,557.44

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Solution

The fourth proportional to 38,515.20, 53,130.24 and 26,557.44 is: 36,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,515.20 : 53,130.24 = 26,557.44 : x
  2. Step 2: Convert to fraction form
    38,515.20/53,130.24 = 26,557.44/x
  3. Step 3: Cross multiply
    38,515.20x = 53,130.24 × 26,557.44
  4. Step 4: Simplify right side
    38,515.20x = 1,411,003,160.99
  5. Step 5: Solve for x
    x = 1,411,003,160.99/38,515.20
  6. Step 6: Final answer
    x = 36,634.97

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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.