Home / 27,887.36-38,483.42-15,140.06

Finding the Fourth Proportional to 27,887.36, 38,483.42 and 15,140.06

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Solution

The fourth proportional to 27,887.36, 38,483.42 and 15,140.06 is: 20,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.36 : 38,483.42 = 15,140.06 : x
  2. Step 2: Convert to fraction form
    27,887.36/38,483.42 = 15,140.06/x
  3. Step 3: Cross multiply
    27,887.36x = 38,483.42 × 15,140.06
  4. Step 4: Simplify right side
    27,887.36x = 582,641,133.24
  5. Step 5: Solve for x
    x = 582,641,133.24/27,887.36
  6. Step 6: Final answer
    x = 20,892.66

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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.