Home / 25,751.36-35,538.66-14,421.79

Finding the Fourth Proportional to 25,751.36, 35,538.66 and 14,421.79

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Solution

The fourth proportional to 25,751.36, 35,538.66 and 14,421.79 is: 19,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.36 : 35,538.66 = 14,421.79 : x
  2. Step 2: Convert to fraction form
    25,751.36/35,538.66 = 14,421.79/x
  3. Step 3: Cross multiply
    25,751.36x = 35,538.66 × 14,421.79
  4. Step 4: Simplify right side
    25,751.36x = 512,530,841.60
  5. Step 5: Solve for x
    x = 512,530,841.60/25,751.36
  6. Step 6: Final answer
    x = 19,903.06

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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.