Home / 27,657.99-38,170.64-16,330.95

Finding the Fourth Proportional to 27,657.99, 38,170.64 and 16,330.95

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Solution

The fourth proportional to 27,657.99, 38,170.64 and 16,330.95 is: 22,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.99 : 38,170.64 = 16,330.95 : x
  2. Step 2: Convert to fraction form
    27,657.99/38,170.64 = 16,330.95/x
  3. Step 3: Cross multiply
    27,657.99x = 38,170.64 × 16,330.95
  4. Step 4: Simplify right side
    27,657.99x = 623,362,854.14
  5. Step 5: Solve for x
    x = 623,362,854.14/27,657.99
  6. Step 6: Final answer
    x = 22,538.26

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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.