Home / 26,490.32-36,559.18-15,157.56

Finding the Fourth Proportional to 26,490.32, 36,559.18 and 15,157.56

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Solution

The fourth proportional to 26,490.32, 36,559.18 and 15,157.56 is: 20,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.32 : 36,559.18 = 15,157.56 : x
  2. Step 2: Convert to fraction form
    26,490.32/36,559.18 = 15,157.56/x
  3. Step 3: Cross multiply
    26,490.32x = 36,559.18 × 15,157.56
  4. Step 4: Simplify right side
    26,490.32x = 554,147,964.40
  5. Step 5: Solve for x
    x = 554,147,964.40/26,490.32
  6. Step 6: Final answer
    x = 20,918.89

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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.