Home / 26,409.69-39,612.15-9,769.86

Finding the Fourth Proportional to 26,409.69, 39,612.15 and 9,769.86

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Solution

The fourth proportional to 26,409.69, 39,612.15 and 9,769.86 is: 14,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.69 : 39,612.15 = 9,769.86 : x
  2. Step 2: Convert to fraction form
    26,409.69/39,612.15 = 9,769.86/x
  3. Step 3: Cross multiply
    26,409.69x = 39,612.15 × 9,769.86
  4. Step 4: Simplify right side
    26,409.69x = 387,005,159.80
  5. Step 5: Solve for x
    x = 387,005,159.80/26,409.69
  6. Step 6: Final answer
    x = 14,653.91

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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.