Home / 25,816.04-38,719.46-16,428.20

Finding the Fourth Proportional to 25,816.04, 38,719.46 and 16,428.20

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Solution

The fourth proportional to 25,816.04, 38,719.46 and 16,428.20 is: 24,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.04 : 38,719.46 = 16,428.20 : x
  2. Step 2: Convert to fraction form
    25,816.04/38,719.46 = 16,428.20/x
  3. Step 3: Cross multiply
    25,816.04x = 38,719.46 × 16,428.20
  4. Step 4: Simplify right side
    25,816.04x = 636,090,757.03
  5. Step 5: Solve for x
    x = 636,090,757.03/25,816.04
  6. Step 6: Final answer
    x = 24,639.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.