Home / 25,813.89-38,623.02-15,289.56

Finding the Fourth Proportional to 25,813.89, 38,623.02 and 15,289.56

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Solution

The fourth proportional to 25,813.89, 38,623.02 and 15,289.56 is: 22,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.89 : 38,623.02 = 15,289.56 : x
  2. Step 2: Convert to fraction form
    25,813.89/38,623.02 = 15,289.56/x
  3. Step 3: Cross multiply
    25,813.89x = 38,623.02 × 15,289.56
  4. Step 4: Simplify right side
    25,813.89x = 590,528,981.67
  5. Step 5: Solve for x
    x = 590,528,981.67/25,813.89
  6. Step 6: Final answer
    x = 22,876.40

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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.