Home / 27,235.72-37,579.47-15,900.07

Finding the Fourth Proportional to 27,235.72, 37,579.47 and 15,900.07

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Solution

The fourth proportional to 27,235.72, 37,579.47 and 15,900.07 is: 21,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,235.72 : 37,579.47 = 15,900.07 : x
  2. Step 2: Convert to fraction form
    27,235.72/37,579.47 = 15,900.07/x
  3. Step 3: Cross multiply
    27,235.72x = 37,579.47 × 15,900.07
  4. Step 4: Simplify right side
    27,235.72x = 597,516,124.06
  5. Step 5: Solve for x
    x = 597,516,124.06/27,235.72
  6. Step 6: Final answer
    x = 21,938.69

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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.