Home / 28,717.41-42,967.91-25,803.84

Finding the Fourth Proportional to 28,717.41, 42,967.91 and 25,803.84

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Solution

The fourth proportional to 28,717.41, 42,967.91 and 25,803.84 is: 38,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.41 : 42,967.91 = 25,803.84 : x
  2. Step 2: Convert to fraction form
    28,717.41/42,967.91 = 25,803.84/x
  3. Step 3: Cross multiply
    28,717.41x = 42,967.91 × 25,803.84
  4. Step 4: Simplify right side
    28,717.41x = 1,108,736,730.92
  5. Step 5: Solve for x
    x = 1,108,736,730.92/28,717.41
  6. Step 6: Final answer
    x = 38,608.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.