Home / 39,904.12-59,856.77-11,827

Finding the Fourth Proportional to 39,904.12, 59,856.77 and 11,827

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Solution

The fourth proportional to 39,904.12, 59,856.77 and 11,827 is: 17,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.12 : 59,856.77 = 11,827 : x
  2. Step 2: Convert to fraction form
    39,904.12/59,856.77 = 11,827/x
  3. Step 3: Cross multiply
    39,904.12x = 59,856.77 × 11,827
  4. Step 4: Simplify right side
    39,904.12x = 707,926,018.79
  5. Step 5: Solve for x
    x = 707,926,018.79/39,904.12
  6. Step 6: Final answer
    x = 17,740.67

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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.