Home / 26,421.93-36,453.17-15,664.59

Finding the Fourth Proportional to 26,421.93, 36,453.17 and 15,664.59

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Solution

The fourth proportional to 26,421.93, 36,453.17 and 15,664.59 is: 21,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.93 : 36,453.17 = 15,664.59 : x
  2. Step 2: Convert to fraction form
    26,421.93/36,453.17 = 15,664.59/x
  3. Step 3: Cross multiply
    26,421.93x = 36,453.17 × 15,664.59
  4. Step 4: Simplify right side
    26,421.93x = 571,024,001.41
  5. Step 5: Solve for x
    x = 571,024,001.41/26,421.93
  6. Step 6: Final answer
    x = 21,611.74

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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.