Home / 26,444.76-39,639.29-8,670.79

Finding the Fourth Proportional to 26,444.76, 39,639.29 and 8,670.79

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Solution

The fourth proportional to 26,444.76, 39,639.29 and 8,670.79 is: 12,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,444.76 : 39,639.29 = 8,670.79 : x
  2. Step 2: Convert to fraction form
    26,444.76/39,639.29 = 8,670.79/x
  3. Step 3: Cross multiply
    26,444.76x = 39,639.29 × 8,670.79
  4. Step 4: Simplify right side
    26,444.76x = 343,703,816.89
  5. Step 5: Solve for x
    x = 343,703,816.89/26,444.76
  6. Step 6: Final answer
    x = 12,997.05

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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.