Home / 25,795.48-35,604.10-15,729.46

Finding the Fourth Proportional to 25,795.48, 35,604.10 and 15,729.46

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Solution

The fourth proportional to 25,795.48, 35,604.10 and 15,729.46 is: 21,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.48 : 35,604.10 = 15,729.46 : x
  2. Step 2: Convert to fraction form
    25,795.48/35,604.10 = 15,729.46/x
  3. Step 3: Cross multiply
    25,795.48x = 35,604.10 × 15,729.46
  4. Step 4: Simplify right side
    25,795.48x = 560,033,266.79
  5. Step 5: Solve for x
    x = 560,033,266.79/25,795.48
  6. Step 6: Final answer
    x = 21,710.52

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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.