Home / 28,460.16-39,274.88-16,526.43

Finding the Fourth Proportional to 28,460.16, 39,274.88 and 16,526.43

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Solution

The fourth proportional to 28,460.16, 39,274.88 and 16,526.43 is: 22,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460.16 : 39,274.88 = 16,526.43 : x
  2. Step 2: Convert to fraction form
    28,460.16/39,274.88 = 16,526.43/x
  3. Step 3: Cross multiply
    28,460.16x = 39,274.88 × 16,526.43
  4. Step 4: Simplify right side
    28,460.16x = 649,073,472.45
  5. Step 5: Solve for x
    x = 649,073,472.45/28,460.16
  6. Step 6: Final answer
    x = 22,806.39

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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.