Home / 28,501.20-39,357.90-19,097.10

Finding the Fourth Proportional to 28,501.20, 39,357.90 and 19,097.10

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Solution

The fourth proportional to 28,501.20, 39,357.90 and 19,097.10 is: 26,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.20 : 39,357.90 = 19,097.10 : x
  2. Step 2: Convert to fraction form
    28,501.20/39,357.90 = 19,097.10/x
  3. Step 3: Cross multiply
    28,501.20x = 39,357.90 × 19,097.10
  4. Step 4: Simplify right side
    28,501.20x = 751,621,752.09
  5. Step 5: Solve for x
    x = 751,621,752.09/28,501.20
  6. Step 6: Final answer
    x = 26,371.58

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1.5x scale

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.