Home / 43,870.41-60,513.28-28,764.05

Finding the Fourth Proportional to 43,870.41, 60,513.28 and 28,764.05

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Solution

The fourth proportional to 43,870.41, 60,513.28 and 28,764.05 is: 39,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,870.41 : 60,513.28 = 28,764.05 : x
  2. Step 2: Convert to fraction form
    43,870.41/60,513.28 = 28,764.05/x
  3. Step 3: Cross multiply
    43,870.41x = 60,513.28 × 28,764.05
  4. Step 4: Simplify right side
    43,870.41x = 1,740,606,637.11
  5. Step 5: Solve for x
    x = 1,740,606,637.11/43,870.41
  6. Step 6: Final answer
    x = 39,676.10

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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.