Home / 26,641.84-39,962.78-6,918.74

Finding the Fourth Proportional to 26,641.84, 39,962.78 and 6,918.74

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Solution

The fourth proportional to 26,641.84, 39,962.78 and 6,918.74 is: 10,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.84 : 39,962.78 = 6,918.74 : x
  2. Step 2: Convert to fraction form
    26,641.84/39,962.78 = 6,918.74/x
  3. Step 3: Cross multiply
    26,641.84x = 39,962.78 × 6,918.74
  4. Step 4: Simplify right side
    26,641.84x = 276,492,084.50
  5. Step 5: Solve for x
    x = 276,492,084.50/26,641.84
  6. Step 6: Final answer
    x = 10,378.12

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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.