Home / 21,715.48-32,571.40-10,028.70

Finding the Fourth Proportional to 21,715.48, 32,571.40 and 10,028.70

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Solution

The fourth proportional to 21,715.48, 32,571.40 and 10,028.70 is: 15,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.48 : 32,571.40 = 10,028.70 : x
  2. Step 2: Convert to fraction form
    21,715.48/32,571.40 = 10,028.70/x
  3. Step 3: Cross multiply
    21,715.48x = 32,571.40 × 10,028.70
  4. Step 4: Simplify right side
    21,715.48x = 326,648,799.18
  5. Step 5: Solve for x
    x = 326,648,799.18/21,715.48
  6. Step 6: Final answer
    x = 15,042.21

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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.