Home / 26,415.95-39,624.56-8,885.78

Finding the Fourth Proportional to 26,415.95, 39,624.56 and 8,885.78

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Solution

The fourth proportional to 26,415.95, 39,624.56 and 8,885.78 is: 13,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.95 : 39,624.56 = 8,885.78 : x
  2. Step 2: Convert to fraction form
    26,415.95/39,624.56 = 8,885.78/x
  3. Step 3: Cross multiply
    26,415.95x = 39,624.56 × 8,885.78
  4. Step 4: Simplify right side
    26,415.95x = 352,095,122.76
  5. Step 5: Solve for x
    x = 352,095,122.76/26,415.95
  6. Step 6: Final answer
    x = 13,328.88

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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.