Home / 26,967.53-37,215.22-15,639.21

Finding the Fourth Proportional to 26,967.53, 37,215.22 and 15,639.21

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Solution

The fourth proportional to 26,967.53, 37,215.22 and 15,639.21 is: 21,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,967.53 : 37,215.22 = 15,639.21 : x
  2. Step 2: Convert to fraction form
    26,967.53/37,215.22 = 15,639.21/x
  3. Step 3: Cross multiply
    26,967.53x = 37,215.22 × 15,639.21
  4. Step 4: Simplify right side
    26,967.53x = 582,016,831.99
  5. Step 5: Solve for x
    x = 582,016,831.99/26,967.53
  6. Step 6: Final answer
    x = 21,582.13

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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.