Home / 19,580.24-29,368.20-19,142.48

Finding the Fourth Proportional to 19,580.24, 29,368.20 and 19,142.48

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Solution

The fourth proportional to 19,580.24, 29,368.20 and 19,142.48 is: 28,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.24 : 29,368.20 = 19,142.48 : x
  2. Step 2: Convert to fraction form
    19,580.24/29,368.20 = 19,142.48/x
  3. Step 3: Cross multiply
    19,580.24x = 29,368.20 × 19,142.48
  4. Step 4: Simplify right side
    19,580.24x = 562,180,181.14
  5. Step 5: Solve for x
    x = 562,180,181.14/19,580.24
  6. Step 6: Final answer
    x = 28,711.61

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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.