Home / 27,305.70-37,681.36-15,370.35

Finding the Fourth Proportional to 27,305.70, 37,681.36 and 15,370.35

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Solution

The fourth proportional to 27,305.70, 37,681.36 and 15,370.35 is: 21,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.70 : 37,681.36 = 15,370.35 : x
  2. Step 2: Convert to fraction form
    27,305.70/37,681.36 = 15,370.35/x
  3. Step 3: Cross multiply
    27,305.70x = 37,681.36 × 15,370.35
  4. Step 4: Simplify right side
    27,305.70x = 579,175,691.68
  5. Step 5: Solve for x
    x = 579,175,691.68/27,305.70
  6. Step 6: Final answer
    x = 21,210.80

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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.