Home / 26,501.28-36,535.21-21,141.89

Finding the Fourth Proportional to 26,501.28, 36,535.21 and 21,141.89

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Solution

The fourth proportional to 26,501.28, 36,535.21 and 21,141.89 is: 29,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.28 : 36,535.21 = 21,141.89 : x
  2. Step 2: Convert to fraction form
    26,501.28/36,535.21 = 21,141.89/x
  3. Step 3: Cross multiply
    26,501.28x = 36,535.21 × 21,141.89
  4. Step 4: Simplify right side
    26,501.28x = 772,423,390.95
  5. Step 5: Solve for x
    x = 772,423,390.95/26,501.28
  6. Step 6: Final answer
    x = 29,146.64

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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.