Home / 28,827.15-42,954.15-25,683

Finding the Fourth Proportional to 28,827.15, 42,954.15 and 25,683

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Solution

The fourth proportional to 28,827.15, 42,954.15 and 25,683 is: 38,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.15 : 42,954.15 = 25,683 : x
  2. Step 2: Convert to fraction form
    28,827.15/42,954.15 = 25,683/x
  3. Step 3: Cross multiply
    28,827.15x = 42,954.15 × 25,683
  4. Step 4: Simplify right side
    28,827.15x = 1,103,191,434.45
  5. Step 5: Solve for x
    x = 1,103,191,434.45/28,827.15
  6. Step 6: Final answer
    x = 38,269.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.