Home / 26,438.61-36,472.71-15,826.20

Finding the Fourth Proportional to 26,438.61, 36,472.71 and 15,826.20

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Solution

The fourth proportional to 26,438.61, 36,472.71 and 15,826.20 is: 21,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.61 : 36,472.71 = 15,826.20 : x
  2. Step 2: Convert to fraction form
    26,438.61/36,472.71 = 15,826.20/x
  3. Step 3: Cross multiply
    26,438.61x = 36,472.71 × 15,826.20
  4. Step 4: Simplify right side
    26,438.61x = 577,224,403.00
  5. Step 5: Solve for x
    x = 577,224,403.00/26,438.61
  6. Step 6: Final answer
    x = 21,832.63

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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.