Home / 26,636.07-39,943.72-9,987.01

Finding the Fourth Proportional to 26,636.07, 39,943.72 and 9,987.01

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Solution

The fourth proportional to 26,636.07, 39,943.72 and 9,987.01 is: 14,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.07 : 39,943.72 = 9,987.01 : x
  2. Step 2: Convert to fraction form
    26,636.07/39,943.72 = 9,987.01/x
  3. Step 3: Cross multiply
    26,636.07x = 39,943.72 × 9,987.01
  4. Step 4: Simplify right side
    26,636.07x = 398,918,331.08
  5. Step 5: Solve for x
    x = 398,918,331.08/26,636.07
  6. Step 6: Final answer
    x = 14,976.62

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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.