Home / 19,035.74-28,553.52-12,697.22

Finding the Fourth Proportional to 19,035.74, 28,553.52 and 12,697.22

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Solution

The fourth proportional to 19,035.74, 28,553.52 and 12,697.22 is: 19,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.74 : 28,553.52 = 12,697.22 : x
  2. Step 2: Convert to fraction form
    19,035.74/28,553.52 = 12,697.22/x
  3. Step 3: Cross multiply
    19,035.74x = 28,553.52 × 12,697.22
  4. Step 4: Simplify right side
    19,035.74x = 362,550,396.60
  5. Step 5: Solve for x
    x = 362,550,396.60/19,035.74
  6. Step 6: Final answer
    x = 19,045.77

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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.