Home / 25,533.88-35,227.06-15,838.84

Finding the Fourth Proportional to 25,533.88, 35,227.06 and 15,838.84

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Solution

The fourth proportional to 25,533.88, 35,227.06 and 15,838.84 is: 21,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533.88 : 35,227.06 = 15,838.84 : x
  2. Step 2: Convert to fraction form
    25,533.88/35,227.06 = 15,838.84/x
  3. Step 3: Cross multiply
    25,533.88x = 35,227.06 × 15,838.84
  4. Step 4: Simplify right side
    25,533.88x = 557,955,882.81
  5. Step 5: Solve for x
    x = 557,955,882.81/25,533.88
  6. Step 6: Final answer
    x = 21,851.59

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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.