Home / 28,031.76-38,681.04-17,274.96

Finding the Fourth Proportional to 28,031.76, 38,681.04 and 17,274.96

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Solution

The fourth proportional to 28,031.76, 38,681.04 and 17,274.96 is: 23,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.76 : 38,681.04 = 17,274.96 : x
  2. Step 2: Convert to fraction form
    28,031.76/38,681.04 = 17,274.96/x
  3. Step 3: Cross multiply
    28,031.76x = 38,681.04 × 17,274.96
  4. Step 4: Simplify right side
    28,031.76x = 668,213,418.76
  5. Step 5: Solve for x
    x = 668,213,418.76/28,031.76
  6. Step 6: Final answer
    x = 23,837.73

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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.