Home / 25,805.98-38,701.68-10,009.90

Finding the Fourth Proportional to 25,805.98, 38,701.68 and 10,009.90

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Solution

The fourth proportional to 25,805.98, 38,701.68 and 10,009.90 is: 15,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.98 : 38,701.68 = 10,009.90 : x
  2. Step 2: Convert to fraction form
    25,805.98/38,701.68 = 10,009.90/x
  3. Step 3: Cross multiply
    25,805.98x = 38,701.68 × 10,009.90
  4. Step 4: Simplify right side
    25,805.98x = 387,399,946.63
  5. Step 5: Solve for x
    x = 387,399,946.63/25,805.98
  6. Step 6: Final answer
    x = 15,012.02

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1.5x scale

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.