Home / 26,657.79-39,929.17-12,596.60

Finding the Fourth Proportional to 26,657.79, 39,929.17 and 12,596.60

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Solution

The fourth proportional to 26,657.79, 39,929.17 and 12,596.60 is: 18,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.79 : 39,929.17 = 12,596.60 : x
  2. Step 2: Convert to fraction form
    26,657.79/39,929.17 = 12,596.60/x
  3. Step 3: Cross multiply
    26,657.79x = 39,929.17 × 12,596.60
  4. Step 4: Simplify right side
    26,657.79x = 502,971,782.82
  5. Step 5: Solve for x
    x = 502,971,782.82/26,657.79
  6. Step 6: Final answer
    x = 18,867.72

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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.