Home / 28,031.83-38,693.29-16,704.88

Finding the Fourth Proportional to 28,031.83, 38,693.29 and 16,704.88

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Solution

The fourth proportional to 28,031.83, 38,693.29 and 16,704.88 is: 23,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.83 : 38,693.29 = 16,704.88 : x
  2. Step 2: Convert to fraction form
    28,031.83/38,693.29 = 16,704.88/x
  3. Step 3: Cross multiply
    28,031.83x = 38,693.29 × 16,704.88
  4. Step 4: Simplify right side
    28,031.83x = 646,366,766.26
  5. Step 5: Solve for x
    x = 646,366,766.26/28,031.83
  6. Step 6: Final answer
    x = 23,058.32

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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.