Home / 25,885.24-35,721.16-15,275.84

Finding the Fourth Proportional to 25,885.24, 35,721.16 and 15,275.84

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Solution

The fourth proportional to 25,885.24, 35,721.16 and 15,275.84 is: 21,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.24 : 35,721.16 = 15,275.84 : x
  2. Step 2: Convert to fraction form
    25,885.24/35,721.16 = 15,275.84/x
  3. Step 3: Cross multiply
    25,885.24x = 35,721.16 × 15,275.84
  4. Step 4: Simplify right side
    25,885.24x = 545,670,724.77
  5. Step 5: Solve for x
    x = 545,670,724.77/25,885.24
  6. Step 6: Final answer
    x = 21,080.38

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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.