Home / 26,530.61-36,617.43-15,207.69

Finding the Fourth Proportional to 26,530.61, 36,617.43 and 15,207.69

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Solution

The fourth proportional to 26,530.61, 36,617.43 and 15,207.69 is: 20,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.61 : 36,617.43 = 15,207.69 : x
  2. Step 2: Convert to fraction form
    26,530.61/36,617.43 = 15,207.69/x
  3. Step 3: Cross multiply
    26,530.61x = 36,617.43 × 15,207.69
  4. Step 4: Simplify right side
    26,530.61x = 556,866,524.04
  5. Step 5: Solve for x
    x = 556,866,524.04/26,530.61
  6. Step 6: Final answer
    x = 20,989.59

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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.