Home / 26,085.98-39,134.64-8,555.15

Finding the Fourth Proportional to 26,085.98, 39,134.64 and 8,555.15

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Solution

The fourth proportional to 26,085.98, 39,134.64 and 8,555.15 is: 12,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,085.98 : 39,134.64 = 8,555.15 : x
  2. Step 2: Convert to fraction form
    26,085.98/39,134.64 = 8,555.15/x
  3. Step 3: Cross multiply
    26,085.98x = 39,134.64 × 8,555.15
  4. Step 4: Simplify right side
    26,085.98x = 334,802,715.40
  5. Step 5: Solve for x
    x = 334,802,715.40/26,085.98
  6. Step 6: Final answer
    x = 12,834.58

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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.