Home / 25,767.08-38,826.14-21,189.62

Finding the Fourth Proportional to 25,767.08, 38,826.14 and 21,189.62

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Solution

The fourth proportional to 25,767.08, 38,826.14 and 21,189.62 is: 31,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.08 : 38,826.14 = 21,189.62 : x
  2. Step 2: Convert to fraction form
    25,767.08/38,826.14 = 21,189.62/x
  3. Step 3: Cross multiply
    25,767.08x = 38,826.14 × 21,189.62
  4. Step 4: Simplify right side
    25,767.08x = 822,711,157.11
  5. Step 5: Solve for x
    x = 822,711,157.11/25,767.08
  6. Step 6: Final answer
    x = 31,928.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.