Home / 31,028.93-42,818.11-17,415.71

Finding the Fourth Proportional to 31,028.93, 42,818.11 and 17,415.71

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Solution

The fourth proportional to 31,028.93, 42,818.11 and 17,415.71 is: 24,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,028.93 : 42,818.11 = 17,415.71 : x
  2. Step 2: Convert to fraction form
    31,028.93/42,818.11 = 17,415.71/x
  3. Step 3: Cross multiply
    31,028.93x = 42,818.11 × 17,415.71
  4. Step 4: Simplify right side
    31,028.93x = 745,707,786.51
  5. Step 5: Solve for x
    x = 745,707,786.51/31,028.93
  6. Step 6: Final answer
    x = 24,032.66

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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.