Home / 26,271.06-39,406.59-8,740.86

Finding the Fourth Proportional to 26,271.06, 39,406.59 and 8,740.86

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Solution

The fourth proportional to 26,271.06, 39,406.59 and 8,740.86 is: 13,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.06 : 39,406.59 = 8,740.86 : x
  2. Step 2: Convert to fraction form
    26,271.06/39,406.59 = 8,740.86/x
  3. Step 3: Cross multiply
    26,271.06x = 39,406.59 × 8,740.86
  4. Step 4: Simplify right side
    26,271.06x = 344,447,486.27
  5. Step 5: Solve for x
    x = 344,447,486.27/26,271.06
  6. Step 6: Final answer
    x = 13,111.29

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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.