Home / 26,538.03-39,831.65-13,399.63

Finding the Fourth Proportional to 26,538.03, 39,831.65 and 13,399.63

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Solution

The fourth proportional to 26,538.03, 39,831.65 and 13,399.63 is: 20,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,538.03 : 39,831.65 = 13,399.63 : x
  2. Step 2: Convert to fraction form
    26,538.03/39,831.65 = 13,399.63/x
  3. Step 3: Cross multiply
    26,538.03x = 39,831.65 × 13,399.63
  4. Step 4: Simplify right side
    26,538.03x = 533,729,255.96
  5. Step 5: Solve for x
    x = 533,729,255.96/26,538.03
  6. Step 6: Final answer
    x = 20,111.86

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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.