Home / 39,904.11-59,855.81-15,280.11

Finding the Fourth Proportional to 39,904.11, 59,855.81 and 15,280.11

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Solution

The fourth proportional to 39,904.11, 59,855.81 and 15,280.11 is: 22,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.11 : 59,855.81 = 15,280.11 : x
  2. Step 2: Convert to fraction form
    39,904.11/59,855.81 = 15,280.11/x
  3. Step 3: Cross multiply
    39,904.11x = 59,855.81 × 15,280.11
  4. Step 4: Simplify right side
    39,904.11x = 914,603,284.54
  5. Step 5: Solve for x
    x = 914,603,284.54/39,904.11
  6. Step 6: Final answer
    x = 22,920.03

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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.