Home / 28,397.08-39,186.39-17,064.47

Finding the Fourth Proportional to 28,397.08, 39,186.39 and 17,064.47

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Solution

The fourth proportional to 28,397.08, 39,186.39 and 17,064.47 is: 23,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.08 : 39,186.39 = 17,064.47 : x
  2. Step 2: Convert to fraction form
    28,397.08/39,186.39 = 17,064.47/x
  3. Step 3: Cross multiply
    28,397.08x = 39,186.39 × 17,064.47
  4. Step 4: Simplify right side
    28,397.08x = 668,695,138.52
  5. Step 5: Solve for x
    x = 668,695,138.52/28,397.08
  6. Step 6: Final answer
    x = 23,548.02

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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.