Home / 28,509.98-39,327.12-16,571.39

Finding the Fourth Proportional to 28,509.98, 39,327.12 and 16,571.39

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Solution

The fourth proportional to 28,509.98, 39,327.12 and 16,571.39 is: 22,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,509.98 : 39,327.12 = 16,571.39 : x
  2. Step 2: Convert to fraction form
    28,509.98/39,327.12 = 16,571.39/x
  3. Step 3: Cross multiply
    28,509.98x = 39,327.12 × 16,571.39
  4. Step 4: Simplify right side
    28,509.98x = 651,704,846.46
  5. Step 5: Solve for x
    x = 651,704,846.46/28,509.98
  6. Step 6: Final answer
    x = 22,858.84

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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.