Home / 27,376.30-40,999.65-16,878.70

Finding the Fourth Proportional to 27,376.30, 40,999.65 and 16,878.70

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Solution

The fourth proportional to 27,376.30, 40,999.65 and 16,878.70 is: 25,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.30 : 40,999.65 = 16,878.70 : x
  2. Step 2: Convert to fraction form
    27,376.30/40,999.65 = 16,878.70/x
  3. Step 3: Cross multiply
    27,376.30x = 40,999.65 × 16,878.70
  4. Step 4: Simplify right side
    27,376.30x = 692,020,792.46
  5. Step 5: Solve for x
    x = 692,020,792.46/27,376.30
  6. Step 6: Final answer
    x = 25,278.10

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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.