Home / 25,875.72-38,826.80-11,080.67

Finding the Fourth Proportional to 25,875.72, 38,826.80 and 11,080.67

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Solution

The fourth proportional to 25,875.72, 38,826.80 and 11,080.67 is: 16,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.72 : 38,826.80 = 11,080.67 : x
  2. Step 2: Convert to fraction form
    25,875.72/38,826.80 = 11,080.67/x
  3. Step 3: Cross multiply
    25,875.72x = 38,826.80 × 11,080.67
  4. Step 4: Simplify right side
    25,875.72x = 430,226,708.42
  5. Step 5: Solve for x
    x = 430,226,708.42/25,875.72
  6. Step 6: Final answer
    x = 16,626.66

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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.