Home / 27,289.90-37,660.01-15,353.25

Finding the Fourth Proportional to 27,289.90, 37,660.01 and 15,353.25

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Solution

The fourth proportional to 27,289.90, 37,660.01 and 15,353.25 is: 21,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.90 : 37,660.01 = 15,353.25 : x
  2. Step 2: Convert to fraction form
    27,289.90/37,660.01 = 15,353.25/x
  3. Step 3: Cross multiply
    27,289.90x = 37,660.01 × 15,353.25
  4. Step 4: Simplify right side
    27,289.90x = 578,203,471.77
  5. Step 5: Solve for x
    x = 578,203,471.77/27,289.90
  6. Step 6: Final answer
    x = 21,187.45

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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.