Home / 27,969.95-38,599.40-15,224.06

Finding the Fourth Proportional to 27,969.95, 38,599.40 and 15,224.06

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Solution

The fourth proportional to 27,969.95, 38,599.40 and 15,224.06 is: 21,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.95 : 38,599.40 = 15,224.06 : x
  2. Step 2: Convert to fraction form
    27,969.95/38,599.40 = 15,224.06/x
  3. Step 3: Cross multiply
    27,969.95x = 38,599.40 × 15,224.06
  4. Step 4: Simplify right side
    27,969.95x = 587,639,581.56
  5. Step 5: Solve for x
    x = 587,639,581.56/27,969.95
  6. Step 6: Final answer
    x = 21,009.68

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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.