Home / 26,615.32-39,929.82-9,975.58

Finding the Fourth Proportional to 26,615.32, 39,929.82 and 9,975.58

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Solution

The fourth proportional to 26,615.32, 39,929.82 and 9,975.58 is: 14,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.32 : 39,929.82 = 9,975.58 : x
  2. Step 2: Convert to fraction form
    26,615.32/39,929.82 = 9,975.58/x
  3. Step 3: Cross multiply
    26,615.32x = 39,929.82 × 9,975.58
  4. Step 4: Simplify right side
    26,615.32x = 398,323,113.80
  5. Step 5: Solve for x
    x = 398,323,113.80/26,615.32
  6. Step 6: Final answer
    x = 14,965.93

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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.