Home / 26,238.28-39,313.68-18,831.64

Finding the Fourth Proportional to 26,238.28, 39,313.68 and 18,831.64

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Solution

The fourth proportional to 26,238.28, 39,313.68 and 18,831.64 is: 28,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,238.28 : 39,313.68 = 18,831.64 : x
  2. Step 2: Convert to fraction form
    26,238.28/39,313.68 = 18,831.64/x
  3. Step 3: Cross multiply
    26,238.28x = 39,313.68 × 18,831.64
  4. Step 4: Simplify right side
    26,238.28x = 740,341,068.84
  5. Step 5: Solve for x
    x = 740,341,068.84/26,238.28
  6. Step 6: Final answer
    x = 28,216.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.