Home / 26,721.66-40,056.06-12,656.97

Finding the Fourth Proportional to 26,721.66, 40,056.06 and 12,656.97

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Solution

The fourth proportional to 26,721.66, 40,056.06 and 12,656.97 is: 18,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.66 : 40,056.06 = 12,656.97 : x
  2. Step 2: Convert to fraction form
    26,721.66/40,056.06 = 12,656.97/x
  3. Step 3: Cross multiply
    26,721.66x = 40,056.06 × 12,656.97
  4. Step 4: Simplify right side
    26,721.66x = 506,988,349.74
  5. Step 5: Solve for x
    x = 506,988,349.74/26,721.66
  6. Step 6: Final answer
    x = 18,972.94

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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.