Home / 37,873.60-52,265.93-20,878.51

Finding the Fourth Proportional to 37,873.60, 52,265.93 and 20,878.51

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Solution

The fourth proportional to 37,873.60, 52,265.93 and 20,878.51 is: 28,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,873.60 : 52,265.93 = 20,878.51 : x
  2. Step 2: Convert to fraction form
    37,873.60/52,265.93 = 20,878.51/x
  3. Step 3: Cross multiply
    37,873.60x = 52,265.93 × 20,878.51
  4. Step 4: Simplify right side
    37,873.60x = 1,091,234,781.27
  5. Step 5: Solve for x
    x = 1,091,234,781.27/37,873.60
  6. Step 6: Final answer
    x = 28,812.54

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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.