Home / 19,238.04-28,876.50-13,697.64

Finding the Fourth Proportional to 19,238.04, 28,876.50 and 13,697.64

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Solution

The fourth proportional to 19,238.04, 28,876.50 and 13,697.64 is: 20,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.04 : 28,876.50 = 13,697.64 : x
  2. Step 2: Convert to fraction form
    19,238.04/28,876.50 = 13,697.64/x
  3. Step 3: Cross multiply
    19,238.04x = 28,876.50 × 13,697.64
  4. Step 4: Simplify right side
    19,238.04x = 395,539,901.46
  5. Step 5: Solve for x
    x = 395,539,901.46/19,238.04
  6. Step 6: Final answer
    x = 20,560.30

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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.