Home / 28,729.14-39,646.23-16,153.98

Finding the Fourth Proportional to 28,729.14, 39,646.23 and 16,153.98

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Solution

The fourth proportional to 28,729.14, 39,646.23 and 16,153.98 is: 22,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.14 : 39,646.23 = 16,153.98 : x
  2. Step 2: Convert to fraction form
    28,729.14/39,646.23 = 16,153.98/x
  3. Step 3: Cross multiply
    28,729.14x = 39,646.23 × 16,153.98
  4. Step 4: Simplify right side
    28,729.14x = 640,444,406.50
  5. Step 5: Solve for x
    x = 640,444,406.50/28,729.14
  6. Step 6: Final answer
    x = 22,292.50

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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.