Home / 25,806.48-38,702.43-10,010.40

Finding the Fourth Proportional to 25,806.48, 38,702.43 and 10,010.40

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Solution

The fourth proportional to 25,806.48, 38,702.43 and 10,010.40 is: 15,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.48 : 38,702.43 = 10,010.40 : x
  2. Step 2: Convert to fraction form
    25,806.48/38,702.43 = 10,010.40/x
  3. Step 3: Cross multiply
    25,806.48x = 38,702.43 × 10,010.40
  4. Step 4: Simplify right side
    25,806.48x = 387,426,805.27
  5. Step 5: Solve for x
    x = 387,426,805.27/25,806.48
  6. Step 6: Final answer
    x = 15,012.77

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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.