Home / 43,427.36-65,145.76-13,838.24

Finding the Fourth Proportional to 43,427.36, 65,145.76 and 13,838.24

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Solution

The fourth proportional to 43,427.36, 65,145.76 and 13,838.24 is: 20,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,427.36 : 65,145.76 = 13,838.24 : x
  2. Step 2: Convert to fraction form
    43,427.36/65,145.76 = 13,838.24/x
  3. Step 3: Cross multiply
    43,427.36x = 65,145.76 × 13,838.24
  4. Step 4: Simplify right side
    43,427.36x = 901,502,661.86
  5. Step 5: Solve for x
    x = 901,502,661.86/43,427.36
  6. Step 6: Final answer
    x = 20,758.86

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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.