Home / 19,017.40-28,544.38-16,247.20

Finding the Fourth Proportional to 19,017.40, 28,544.38 and 16,247.20

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Solution

The fourth proportional to 19,017.40, 28,544.38 and 16,247.20 is: 24,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.40 : 28,544.38 = 16,247.20 : x
  2. Step 2: Convert to fraction form
    19,017.40/28,544.38 = 16,247.20/x
  3. Step 3: Cross multiply
    19,017.40x = 28,544.38 × 16,247.20
  4. Step 4: Simplify right side
    19,017.40x = 463,766,250.74
  5. Step 5: Solve for x
    x = 463,766,250.74/19,017.40
  6. Step 6: Final answer
    x = 24,386.42

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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.