Home / 25,351.08-38,031.69-7,820.25

Finding the Fourth Proportional to 25,351.08, 38,031.69 and 7,820.25

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Solution

The fourth proportional to 25,351.08, 38,031.69 and 7,820.25 is: 11,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.08 : 38,031.69 = 7,820.25 : x
  2. Step 2: Convert to fraction form
    25,351.08/38,031.69 = 7,820.25/x
  3. Step 3: Cross multiply
    25,351.08x = 38,031.69 × 7,820.25
  4. Step 4: Simplify right side
    25,351.08x = 297,417,323.72
  5. Step 5: Solve for x
    x = 297,417,323.72/25,351.08
  6. Step 6: Final answer
    x = 11,731.94

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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.