Home / 28,960.06-39,953.01-17,620.47

Finding the Fourth Proportional to 28,960.06, 39,953.01 and 17,620.47

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Solution

The fourth proportional to 28,960.06, 39,953.01 and 17,620.47 is: 24,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.06 : 39,953.01 = 17,620.47 : x
  2. Step 2: Convert to fraction form
    28,960.06/39,953.01 = 17,620.47/x
  3. Step 3: Cross multiply
    28,960.06x = 39,953.01 × 17,620.47
  4. Step 4: Simplify right side
    28,960.06x = 703,990,598.21
  5. Step 5: Solve for x
    x = 703,990,598.21/28,960.06
  6. Step 6: Final answer
    x = 24,309.02

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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.