Home / 27,386.52-37,790.16-15,449.22

Finding the Fourth Proportional to 27,386.52, 37,790.16 and 15,449.22

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Solution

The fourth proportional to 27,386.52, 37,790.16 and 15,449.22 is: 21,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,386.52 : 37,790.16 = 15,449.22 : x
  2. Step 2: Convert to fraction form
    27,386.52/37,790.16 = 15,449.22/x
  3. Step 3: Cross multiply
    27,386.52x = 37,790.16 × 15,449.22
  4. Step 4: Simplify right side
    27,386.52x = 583,828,495.68
  5. Step 5: Solve for x
    x = 583,828,495.68/27,386.52
  6. Step 6: Final answer
    x = 21,318.10

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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.