Home / 28,023.96-42,034.32-10,266.60

Finding the Fourth Proportional to 28,023.96, 42,034.32 and 10,266.60

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Solution

The fourth proportional to 28,023.96, 42,034.32 and 10,266.60 is: 15,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.96 : 42,034.32 = 10,266.60 : x
  2. Step 2: Convert to fraction form
    28,023.96/42,034.32 = 10,266.60/x
  3. Step 3: Cross multiply
    28,023.96x = 42,034.32 × 10,266.60
  4. Step 4: Simplify right side
    28,023.96x = 431,549,549.71
  5. Step 5: Solve for x
    x = 431,549,549.71/28,023.96
  6. Step 6: Final answer
    x = 15,399.31

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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.