Home / 28,240.34-42,345.93-11,597.27

Finding the Fourth Proportional to 28,240.34, 42,345.93 and 11,597.27

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Solution

The fourth proportional to 28,240.34, 42,345.93 and 11,597.27 is: 17,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.34 : 42,345.93 = 11,597.27 : x
  2. Step 2: Convert to fraction form
    28,240.34/42,345.93 = 11,597.27/x
  3. Step 3: Cross multiply
    28,240.34x = 42,345.93 × 11,597.27
  4. Step 4: Simplify right side
    28,240.34x = 491,097,183.61
  5. Step 5: Solve for x
    x = 491,097,183.61/28,240.34
  6. Step 6: Final answer
    x = 17,389.92

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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.