Home / 28,859.28-39,824.67-16,284.06

Finding the Fourth Proportional to 28,859.28, 39,824.67 and 16,284.06

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Solution

The fourth proportional to 28,859.28, 39,824.67 and 16,284.06 is: 22,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.28 : 39,824.67 = 16,284.06 : x
  2. Step 2: Convert to fraction form
    28,859.28/39,824.67 = 16,284.06/x
  3. Step 3: Cross multiply
    28,859.28x = 39,824.67 × 16,284.06
  4. Step 4: Simplify right side
    28,859.28x = 648,507,315.76
  5. Step 5: Solve for x
    x = 648,507,315.76/28,859.28
  6. Step 6: Final answer
    x = 22,471.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.