Home / 28,700.12-39,606.02-16,124.84

Finding the Fourth Proportional to 28,700.12, 39,606.02 and 16,124.84

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Solution

The fourth proportional to 28,700.12, 39,606.02 and 16,124.84 is: 22,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.12 : 39,606.02 = 16,124.84 : x
  2. Step 2: Convert to fraction form
    28,700.12/39,606.02 = 16,124.84/x
  3. Step 3: Cross multiply
    28,700.12x = 39,606.02 × 16,124.84
  4. Step 4: Simplify right side
    28,700.12x = 638,640,735.54
  5. Step 5: Solve for x
    x = 638,640,735.54/28,700.12
  6. Step 6: Final answer
    x = 22,252.20

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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.