Home / 27,426.87-37,831.79-18,914.45

Finding the Fourth Proportional to 27,426.87, 37,831.79 and 18,914.45

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Solution

The fourth proportional to 27,426.87, 37,831.79 and 18,914.45 is: 26,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426.87 : 37,831.79 = 18,914.45 : x
  2. Step 2: Convert to fraction form
    27,426.87/37,831.79 = 18,914.45/x
  3. Step 3: Cross multiply
    27,426.87x = 37,831.79 × 18,914.45
  4. Step 4: Simplify right side
    27,426.87x = 715,567,358.49
  5. Step 5: Solve for x
    x = 715,567,358.49/27,426.87
  6. Step 6: Final answer
    x = 26,090.01

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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.