Home / 27,370.12-37,767.88-15,435.28

Finding the Fourth Proportional to 27,370.12, 37,767.88 and 15,435.28

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Solution

The fourth proportional to 27,370.12, 37,767.88 and 15,435.28 is: 21,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,370.12 : 37,767.88 = 15,435.28 : x
  2. Step 2: Convert to fraction form
    27,370.12/37,767.88 = 15,435.28/x
  3. Step 3: Cross multiply
    27,370.12x = 37,767.88 × 15,435.28
  4. Step 4: Simplify right side
    27,370.12x = 582,957,802.81
  5. Step 5: Solve for x
    x = 582,957,802.81/27,370.12
  6. Step 6: Final answer
    x = 21,299.06

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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.