Home / 29,477.47-40,705.92-18,725.80

Finding the Fourth Proportional to 29,477.47, 40,705.92 and 18,725.80

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Solution

The fourth proportional to 29,477.47, 40,705.92 and 18,725.80 is: 25,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.47 : 40,705.92 = 18,725.80 : x
  2. Step 2: Convert to fraction form
    29,477.47/40,705.92 = 18,725.80/x
  3. Step 3: Cross multiply
    29,477.47x = 40,705.92 × 18,725.80
  4. Step 4: Simplify right side
    29,477.47x = 762,250,916.74
  5. Step 5: Solve for x
    x = 762,250,916.74/29,477.47
  6. Step 6: Final answer
    x = 25,858.76

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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.