Home / 26,530.42-36,617.16-15,207.50

Finding the Fourth Proportional to 26,530.42, 36,617.16 and 15,207.50

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Solution

The fourth proportional to 26,530.42, 36,617.16 and 15,207.50 is: 20,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.42 : 36,617.16 = 15,207.50 : x
  2. Step 2: Convert to fraction form
    26,530.42/36,617.16 = 15,207.50/x
  3. Step 3: Cross multiply
    26,530.42x = 36,617.16 × 15,207.50
  4. Step 4: Simplify right side
    26,530.42x = 556,855,460.70
  5. Step 5: Solve for x
    x = 556,855,460.70/26,530.42
  6. Step 6: Final answer
    x = 20,989.32

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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.