Home / 27,299.66-37,677.15-15,365.32

Finding the Fourth Proportional to 27,299.66, 37,677.15 and 15,365.32

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Solution

The fourth proportional to 27,299.66, 37,677.15 and 15,365.32 is: 21,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.66 : 37,677.15 = 15,365.32 : x
  2. Step 2: Convert to fraction form
    27,299.66/37,677.15 = 15,365.32/x
  3. Step 3: Cross multiply
    27,299.66x = 37,677.15 × 15,365.32
  4. Step 4: Simplify right side
    27,299.66x = 578,921,372.25
  5. Step 5: Solve for x
    x = 578,921,372.25/27,299.66
  6. Step 6: Final answer
    x = 21,206.18

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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.