Home / 28,085.36-38,765.54-17,468.68

Finding the Fourth Proportional to 28,085.36, 38,765.54 and 17,468.68

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Solution

The fourth proportional to 28,085.36, 38,765.54 and 17,468.68 is: 24,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085.36 : 38,765.54 = 17,468.68 : x
  2. Step 2: Convert to fraction form
    28,085.36/38,765.54 = 17,468.68/x
  3. Step 3: Cross multiply
    28,085.36x = 38,765.54 × 17,468.68
  4. Step 4: Simplify right side
    28,085.36x = 677,182,813.29
  5. Step 5: Solve for x
    x = 677,182,813.29/28,085.36
  6. Step 6: Final answer
    x = 24,111.59

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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.