Home / 25,307.08-37,983.95-12,835.85

Finding the Fourth Proportional to 25,307.08, 37,983.95 and 12,835.85

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Solution

The fourth proportional to 25,307.08, 37,983.95 and 12,835.85 is: 19,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.08 : 37,983.95 = 12,835.85 : x
  2. Step 2: Convert to fraction form
    25,307.08/37,983.95 = 12,835.85/x
  3. Step 3: Cross multiply
    25,307.08x = 37,983.95 × 12,835.85
  4. Step 4: Simplify right side
    25,307.08x = 487,556,284.61
  5. Step 5: Solve for x
    x = 487,556,284.61/25,307.08
  6. Step 6: Final answer
    x = 19,265.61

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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.