Home / 27,345.06-37,735.96-15,245.40

Finding the Fourth Proportional to 27,345.06, 37,735.96 and 15,245.40

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Solution

The fourth proportional to 27,345.06, 37,735.96 and 15,245.40 is: 21,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,345.06 : 37,735.96 = 15,245.40 : x
  2. Step 2: Convert to fraction form
    27,345.06/37,735.96 = 15,245.40/x
  3. Step 3: Cross multiply
    27,345.06x = 37,735.96 × 15,245.40
  4. Step 4: Simplify right side
    27,345.06x = 575,299,724.30
  5. Step 5: Solve for x
    x = 575,299,724.30/27,345.06
  6. Step 6: Final answer
    x = 21,038.52

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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.