Home / 28,399.02-39,192.03-16,460.22

Finding the Fourth Proportional to 28,399.02, 39,192.03 and 16,460.22

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Solution

The fourth proportional to 28,399.02, 39,192.03 and 16,460.22 is: 22,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,399.02 : 39,192.03 = 16,460.22 : x
  2. Step 2: Convert to fraction form
    28,399.02/39,192.03 = 16,460.22/x
  3. Step 3: Cross multiply
    28,399.02x = 39,192.03 × 16,460.22
  4. Step 4: Simplify right side
    28,399.02x = 645,109,436.05
  5. Step 5: Solve for x
    x = 645,109,436.05/28,399.02
  6. Step 6: Final answer
    x = 22,715.90

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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.