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Finding the Fourth Proportional to 38,483.40, 57,725.10 and 26,009.40

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Solution

The fourth proportional to 38,483.40, 57,725.10 and 26,009.40 is: 39,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.40 : 57,725.10 = 26,009.40 : x
  2. Step 2: Convert to fraction form
    38,483.40/57,725.10 = 26,009.40/x
  3. Step 3: Cross multiply
    38,483.40x = 57,725.10 × 26,009.40
  4. Step 4: Simplify right side
    38,483.40x = 1,501,395,215.94
  5. Step 5: Solve for x
    x = 1,501,395,215.94/38,483.40
  6. Step 6: Final answer
    x = 39,014.10

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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.