Home / 26,613.36-39,928.95-9,975.15

Finding the Fourth Proportional to 26,613.36, 39,928.95 and 9,975.15

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Solution

The fourth proportional to 26,613.36, 39,928.95 and 9,975.15 is: 14,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.36 : 39,928.95 = 9,975.15 : x
  2. Step 2: Convert to fraction form
    26,613.36/39,928.95 = 9,975.15/x
  3. Step 3: Cross multiply
    26,613.36x = 39,928.95 × 9,975.15
  4. Step 4: Simplify right side
    26,613.36x = 398,297,265.59
  5. Step 5: Solve for x
    x = 398,297,265.59/26,613.36
  6. Step 6: Final answer
    x = 14,966.06

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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.