Home / 27,705.95-38,235.68-15,773.13

Finding the Fourth Proportional to 27,705.95, 38,235.68 and 15,773.13

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Solution

The fourth proportional to 27,705.95, 38,235.68 and 15,773.13 is: 21,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.95 : 38,235.68 = 15,773.13 : x
  2. Step 2: Convert to fraction form
    27,705.95/38,235.68 = 15,773.13/x
  3. Step 3: Cross multiply
    27,705.95x = 38,235.68 × 15,773.13
  4. Step 4: Simplify right side
    27,705.95x = 603,096,081.23
  5. Step 5: Solve for x
    x = 603,096,081.23/27,705.95
  6. Step 6: Final answer
    x = 21,767.75

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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.