Home / 27,776.27-38,331.35-25,657.21

Finding the Fourth Proportional to 27,776.27, 38,331.35 and 25,657.21

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Solution

The fourth proportional to 27,776.27, 38,331.35 and 25,657.21 is: 35,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.27 : 38,331.35 = 25,657.21 : x
  2. Step 2: Convert to fraction form
    27,776.27/38,331.35 = 25,657.21/x
  3. Step 3: Cross multiply
    27,776.27x = 38,331.35 × 25,657.21
  4. Step 4: Simplify right side
    27,776.27x = 983,475,368.92
  5. Step 5: Solve for x
    x = 983,475,368.92/27,776.27
  6. Step 6: Final answer
    x = 35,407.04

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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.