Home / 24,730.82-34,128.53-13,400.39

Finding the Fourth Proportional to 24,730.82, 34,128.53 and 13,400.39

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Solution

The fourth proportional to 24,730.82, 34,128.53 and 13,400.39 is: 18,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,730.82 : 34,128.53 = 13,400.39 : x
  2. Step 2: Convert to fraction form
    24,730.82/34,128.53 = 13,400.39/x
  3. Step 3: Cross multiply
    24,730.82x = 34,128.53 × 13,400.39
  4. Step 4: Simplify right side
    24,730.82x = 457,335,612.13
  5. Step 5: Solve for x
    x = 457,335,612.13/24,730.82
  6. Step 6: Final answer
    x = 18,492.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.