Home / 25,784.14-35,571.47-15,708.89

Finding the Fourth Proportional to 25,784.14, 35,571.47 and 15,708.89

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Solution

The fourth proportional to 25,784.14, 35,571.47 and 15,708.89 is: 21,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.14 : 35,571.47 = 15,708.89 : x
  2. Step 2: Convert to fraction form
    25,784.14/35,571.47 = 15,708.89/x
  3. Step 3: Cross multiply
    25,784.14x = 35,571.47 × 15,708.89
  4. Step 4: Simplify right side
    25,784.14x = 558,788,230.82
  5. Step 5: Solve for x
    x = 558,788,230.82/25,784.14
  6. Step 6: Final answer
    x = 21,671.79

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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.