Home / 28,132.77-38,840.07-17,536.76

Finding the Fourth Proportional to 28,132.77, 38,840.07 and 17,536.76

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Solution

The fourth proportional to 28,132.77, 38,840.07 and 17,536.76 is: 24,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.77 : 38,840.07 = 17,536.76 : x
  2. Step 2: Convert to fraction form
    28,132.77/38,840.07 = 17,536.76/x
  3. Step 3: Cross multiply
    28,132.77x = 38,840.07 × 17,536.76
  4. Step 4: Simplify right side
    28,132.77x = 681,128,985.97
  5. Step 5: Solve for x
    x = 681,128,985.97/28,132.77
  6. Step 6: Final answer
    x = 24,211.23

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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.