Home / 26,728.30-36,885.15-14,463.70

Finding the Fourth Proportional to 26,728.30, 36,885.15 and 14,463.70

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Solution

The fourth proportional to 26,728.30, 36,885.15 and 14,463.70 is: 19,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.30 : 36,885.15 = 14,463.70 : x
  2. Step 2: Convert to fraction form
    26,728.30/36,885.15 = 14,463.70/x
  3. Step 3: Cross multiply
    26,728.30x = 36,885.15 × 14,463.70
  4. Step 4: Simplify right side
    26,728.30x = 533,495,911.19
  5. Step 5: Solve for x
    x = 533,495,911.19/26,728.30
  6. Step 6: Final answer
    x = 19,959.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.