Home / 39,988.21-59,990.76-15,028.48

Finding the Fourth Proportional to 39,988.21, 59,990.76 and 15,028.48

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Solution

The fourth proportional to 39,988.21, 59,990.76 and 15,028.48 is: 22,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.21 : 59,990.76 = 15,028.48 : x
  2. Step 2: Convert to fraction form
    39,988.21/59,990.76 = 15,028.48/x
  3. Step 3: Cross multiply
    39,988.21x = 59,990.76 × 15,028.48
  4. Step 4: Simplify right side
    39,988.21x = 901,569,936.84
  5. Step 5: Solve for x
    x = 901,569,936.84/39,988.21
  6. Step 6: Final answer
    x = 22,545.89

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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.