Home / 26,330.67-36,336.41-15,720.08

Finding the Fourth Proportional to 26,330.67, 36,336.41 and 15,720.08

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Solution

The fourth proportional to 26,330.67, 36,336.41 and 15,720.08 is: 21,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,330.67 : 36,336.41 = 15,720.08 : x
  2. Step 2: Convert to fraction form
    26,330.67/36,336.41 = 15,720.08/x
  3. Step 3: Cross multiply
    26,330.67x = 36,336.41 × 15,720.08
  4. Step 4: Simplify right side
    26,330.67x = 571,211,011.83
  5. Step 5: Solve for x
    x = 571,211,011.83/26,330.67
  6. Step 6: Final answer
    x = 21,693.75

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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.