Home / 25,669.95-38,429.33-19,125.15

Finding the Fourth Proportional to 25,669.95, 38,429.33 and 19,125.15

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Solution

The fourth proportional to 25,669.95, 38,429.33 and 19,125.15 is: 28,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.95 : 38,429.33 = 19,125.15 : x
  2. Step 2: Convert to fraction form
    25,669.95/38,429.33 = 19,125.15/x
  3. Step 3: Cross multiply
    25,669.95x = 38,429.33 × 19,125.15
  4. Step 4: Simplify right side
    25,669.95x = 734,966,605.02
  5. Step 5: Solve for x
    x = 734,966,605.02/25,669.95
  6. Step 6: Final answer
    x = 28,631.40

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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.