Home / 26,061.78-39,065.81-10,260.40

Finding the Fourth Proportional to 26,061.78, 39,065.81 and 10,260.40

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Solution

The fourth proportional to 26,061.78, 39,065.81 and 10,260.40 is: 15,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,061.78 : 39,065.81 = 10,260.40 : x
  2. Step 2: Convert to fraction form
    26,061.78/39,065.81 = 10,260.40/x
  3. Step 3: Cross multiply
    26,061.78x = 39,065.81 × 10,260.40
  4. Step 4: Simplify right side
    26,061.78x = 400,830,873.86
  5. Step 5: Solve for x
    x = 400,830,873.86/26,061.78
  6. Step 6: Final answer
    x = 15,380.03

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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.