Home / 28,774.93-43,172.76-10,057.72

Finding the Fourth Proportional to 28,774.93, 43,172.76 and 10,057.72

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Solution

The fourth proportional to 28,774.93, 43,172.76 and 10,057.72 is: 15,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.93 : 43,172.76 = 10,057.72 : x
  2. Step 2: Convert to fraction form
    28,774.93/43,172.76 = 10,057.72/x
  3. Step 3: Cross multiply
    28,774.93x = 43,172.76 × 10,057.72
  4. Step 4: Simplify right side
    28,774.93x = 434,219,531.71
  5. Step 5: Solve for x
    x = 434,219,531.71/28,774.93
  6. Step 6: Final answer
    x = 15,090.20

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1.5x scale

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.