Home / 38,637.62-57,881.22-28,487.51

Finding the Fourth Proportional to 38,637.62, 57,881.22 and 28,487.51

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Solution

The fourth proportional to 38,637.62, 57,881.22 and 28,487.51 is: 42,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,637.62 : 57,881.22 = 28,487.51 : x
  2. Step 2: Convert to fraction form
    38,637.62/57,881.22 = 28,487.51/x
  3. Step 3: Cross multiply
    38,637.62x = 57,881.22 × 28,487.51
  4. Step 4: Simplify right side
    38,637.62x = 1,648,891,544.16
  5. Step 5: Solve for x
    x = 1,648,891,544.16/38,637.62
  6. Step 6: Final answer
    x = 42,675.81

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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.