Home / 25,431.63-38,147.45-7,901.46

Finding the Fourth Proportional to 25,431.63, 38,147.45 and 7,901.46

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Solution

The fourth proportional to 25,431.63, 38,147.45 and 7,901.46 is: 11,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.63 : 38,147.45 = 7,901.46 : x
  2. Step 2: Convert to fraction form
    25,431.63/38,147.45 = 7,901.46/x
  3. Step 3: Cross multiply
    25,431.63x = 38,147.45 × 7,901.46
  4. Step 4: Simplify right side
    25,431.63x = 301,420,550.28
  5. Step 5: Solve for x
    x = 301,420,550.28/25,431.63
  6. Step 6: Final answer
    x = 11,852.19

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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.