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Finding the Fourth Proportional to 26,340, 36,349.11 and 14,403.30

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Solution

The fourth proportional to 26,340, 36,349.11 and 14,403.30 is: 19,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340 : 36,349.11 = 14,403.30 : x
  2. Step 2: Convert to fraction form
    26,340/36,349.11 = 14,403.30/x
  3. Step 3: Cross multiply
    26,340x = 36,349.11 × 14,403.30
  4. Step 4: Simplify right side
    26,340x = 523,547,136.06
  5. Step 5: Solve for x
    x = 523,547,136.06/26,340
  6. Step 6: Final answer
    x = 19,876.50

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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.