Home / 39,904.47-59,823.90-15,891.21

Finding the Fourth Proportional to 39,904.47, 59,823.90 and 15,891.21

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Solution

The fourth proportional to 39,904.47, 59,823.90 and 15,891.21 is: 23,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.47 : 59,823.90 = 15,891.21 : x
  2. Step 2: Convert to fraction form
    39,904.47/59,823.90 = 15,891.21/x
  3. Step 3: Cross multiply
    39,904.47x = 59,823.90 × 15,891.21
  4. Step 4: Simplify right side
    39,904.47x = 950,674,157.92
  5. Step 5: Solve for x
    x = 950,674,157.92/39,904.47
  6. Step 6: Final answer
    x = 23,823.75

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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.