Home / 27,900.14-38,502.02-15,153.24

Finding the Fourth Proportional to 27,900.14, 38,502.02 and 15,153.24

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Solution

The fourth proportional to 27,900.14, 38,502.02 and 15,153.24 is: 20,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.14 : 38,502.02 = 15,153.24 : x
  2. Step 2: Convert to fraction form
    27,900.14/38,502.02 = 15,153.24/x
  3. Step 3: Cross multiply
    27,900.14x = 38,502.02 × 15,153.24
  4. Step 4: Simplify right side
    27,900.14x = 583,430,349.54
  5. Step 5: Solve for x
    x = 583,430,349.54/27,900.14
  6. Step 6: Final answer
    x = 20,911.38

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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.