Home / 26,191.20-36,143.68-14,254.54

Finding the Fourth Proportional to 26,191.20, 36,143.68 and 14,254.54

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Solution

The fourth proportional to 26,191.20, 36,143.68 and 14,254.54 is: 19,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,191.20 : 36,143.68 = 14,254.54 : x
  2. Step 2: Convert to fraction form
    26,191.20/36,143.68 = 14,254.54/x
  3. Step 3: Cross multiply
    26,191.20x = 36,143.68 × 14,254.54
  4. Step 4: Simplify right side
    26,191.20x = 515,211,547.76
  5. Step 5: Solve for x
    x = 515,211,547.76/26,191.20
  6. Step 6: Final answer
    x = 19,671.17

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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.