Home / 28,549.13-39,373.63-17,216.15

Finding the Fourth Proportional to 28,549.13, 39,373.63 and 17,216.15

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Solution

The fourth proportional to 28,549.13, 39,373.63 and 17,216.15 is: 23,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.13 : 39,373.63 = 17,216.15 : x
  2. Step 2: Convert to fraction form
    28,549.13/39,373.63 = 17,216.15/x
  3. Step 3: Cross multiply
    28,549.13x = 39,373.63 × 17,216.15
  4. Step 4: Simplify right side
    28,549.13x = 677,862,080.22
  5. Step 5: Solve for x
    x = 677,862,080.22/28,549.13
  6. Step 6: Final answer
    x = 23,743.71

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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.