Home / 39,175.56-53,994.96-28,282.68

Finding the Fourth Proportional to 39,175.56, 53,994.96 and 28,282.68

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Solution

The fourth proportional to 39,175.56, 53,994.96 and 28,282.68 is: 38,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.56 : 53,994.96 = 28,282.68 : x
  2. Step 2: Convert to fraction form
    39,175.56/53,994.96 = 28,282.68/x
  3. Step 3: Cross multiply
    39,175.56x = 53,994.96 × 28,282.68
  4. Step 4: Simplify right side
    39,175.56x = 1,527,122,175.29
  5. Step 5: Solve for x
    x = 1,527,122,175.29/39,175.56
  6. Step 6: Final answer
    x = 38,981.50

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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.