Home / 28,981.56-43,480.66-9,263.16

Finding the Fourth Proportional to 28,981.56, 43,480.66 and 9,263.16

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Solution

The fourth proportional to 28,981.56, 43,480.66 and 9,263.16 is: 13,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.56 : 43,480.66 = 9,263.16 : x
  2. Step 2: Convert to fraction form
    28,981.56/43,480.66 = 9,263.16/x
  3. Step 3: Cross multiply
    28,981.56x = 43,480.66 × 9,263.16
  4. Step 4: Simplify right side
    28,981.56x = 402,768,310.49
  5. Step 5: Solve for x
    x = 402,768,310.49/28,981.56
  6. Step 6: Final answer
    x = 13,897.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.