Home / 26,681.44-36,824.96-15,509.92

Finding the Fourth Proportional to 26,681.44, 36,824.96 and 15,509.92

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Solution

The fourth proportional to 26,681.44, 36,824.96 and 15,509.92 is: 21,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,681.44 : 36,824.96 = 15,509.92 : x
  2. Step 2: Convert to fraction form
    26,681.44/36,824.96 = 15,509.92/x
  3. Step 3: Cross multiply
    26,681.44x = 36,824.96 × 15,509.92
  4. Step 4: Simplify right side
    26,681.44x = 571,152,183.60
  5. Step 5: Solve for x
    x = 571,152,183.60/26,681.44
  6. Step 6: Final answer
    x = 21,406.35

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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.