Home / 26,509.34-36,548.78-21,711.61

Finding the Fourth Proportional to 26,509.34, 36,548.78 and 21,711.61

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Solution

The fourth proportional to 26,509.34, 36,548.78 and 21,711.61 is: 29,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.34 : 36,548.78 = 21,711.61 : x
  2. Step 2: Convert to fraction form
    26,509.34/36,548.78 = 21,711.61/x
  3. Step 3: Cross multiply
    26,509.34x = 36,548.78 × 21,711.61
  4. Step 4: Simplify right side
    26,509.34x = 793,532,657.41
  5. Step 5: Solve for x
    x = 793,532,657.41/26,509.34
  6. Step 6: Final answer
    x = 29,934.08

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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.