Home / 27,143.02-40,708.45-13,102.48

Finding the Fourth Proportional to 27,143.02, 40,708.45 and 13,102.48

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Solution

The fourth proportional to 27,143.02, 40,708.45 and 13,102.48 is: 19,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.02 : 40,708.45 = 13,102.48 : x
  2. Step 2: Convert to fraction form
    27,143.02/40,708.45 = 13,102.48/x
  3. Step 3: Cross multiply
    27,143.02x = 40,708.45 × 13,102.48
  4. Step 4: Simplify right side
    27,143.02x = 533,381,651.96
  5. Step 5: Solve for x
    x = 533,381,651.96/27,143.02
  6. Step 6: Final answer
    x = 19,650.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.