Home / 38,009.25-52,451.87-21,012.93

Finding the Fourth Proportional to 38,009.25, 52,451.87 and 21,012.93

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Solution

The fourth proportional to 38,009.25, 52,451.87 and 21,012.93 is: 28,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.25 : 52,451.87 = 21,012.93 : x
  2. Step 2: Convert to fraction form
    38,009.25/52,451.87 = 21,012.93/x
  3. Step 3: Cross multiply
    38,009.25x = 52,451.87 × 21,012.93
  4. Step 4: Simplify right side
    38,009.25x = 1,102,167,367.61
  5. Step 5: Solve for x
    x = 1,102,167,367.61/38,009.25
  6. Step 6: Final answer
    x = 28,997.35

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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.