Home / 19,267.50-28,907.08-13,656.02

Finding the Fourth Proportional to 19,267.50, 28,907.08 and 13,656.02

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Solution

The fourth proportional to 19,267.50, 28,907.08 and 13,656.02 is: 20,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.50 : 28,907.08 = 13,656.02 : x
  2. Step 2: Convert to fraction form
    19,267.50/28,907.08 = 13,656.02/x
  3. Step 3: Cross multiply
    19,267.50x = 28,907.08 × 13,656.02
  4. Step 4: Simplify right side
    19,267.50x = 394,755,700.75
  5. Step 5: Solve for x
    x = 394,755,700.75/19,267.50
  6. Step 6: Final answer
    x = 20,488.16

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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.