Home / 38,086.37-57,127.26-13,125.86

Finding the Fourth Proportional to 38,086.37, 57,127.26 and 13,125.86

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Solution

The fourth proportional to 38,086.37, 57,127.26 and 13,125.86 is: 19,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.37 : 57,127.26 = 13,125.86 : x
  2. Step 2: Convert to fraction form
    38,086.37/57,127.26 = 13,125.86/x
  3. Step 3: Cross multiply
    38,086.37x = 57,127.26 × 13,125.86
  4. Step 4: Simplify right side
    38,086.37x = 749,844,394.76
  5. Step 5: Solve for x
    x = 749,844,394.76/38,086.37
  6. Step 6: Final answer
    x = 19,688.00

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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.