Home / 38,087.28-57,112.65-21,856.77

Finding the Fourth Proportional to 38,087.28, 57,112.65 and 21,856.77

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Solution

The fourth proportional to 38,087.28, 57,112.65 and 21,856.77 is: 32,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087.28 : 57,112.65 = 21,856.77 : x
  2. Step 2: Convert to fraction form
    38,087.28/57,112.65 = 21,856.77/x
  3. Step 3: Cross multiply
    38,087.28x = 57,112.65 × 21,856.77
  4. Step 4: Simplify right side
    38,087.28x = 1,248,298,055.14
  5. Step 5: Solve for x
    x = 1,248,298,055.14/38,087.28
  6. Step 6: Final answer
    x = 32,774.67

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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.