Home / 25,730.65-35,497.02-15,115.49

Finding the Fourth Proportional to 25,730.65, 35,497.02 and 15,115.49

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Solution

The fourth proportional to 25,730.65, 35,497.02 and 15,115.49 is: 20,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.65 : 35,497.02 = 15,115.49 : x
  2. Step 2: Convert to fraction form
    25,730.65/35,497.02 = 15,115.49/x
  3. Step 3: Cross multiply
    25,730.65x = 35,497.02 × 15,115.49
  4. Step 4: Simplify right side
    25,730.65x = 536,554,850.84
  5. Step 5: Solve for x
    x = 536,554,850.84/25,730.65
  6. Step 6: Final answer
    x = 20,852.76

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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.