Home / 26,859.56-37,064.40-15,528.20

Finding the Fourth Proportional to 26,859.56, 37,064.40 and 15,528.20

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Solution

The fourth proportional to 26,859.56, 37,064.40 and 15,528.20 is: 21,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.56 : 37,064.40 = 15,528.20 : x
  2. Step 2: Convert to fraction form
    26,859.56/37,064.40 = 15,528.20/x
  3. Step 3: Cross multiply
    26,859.56x = 37,064.40 × 15,528.20
  4. Step 4: Simplify right side
    26,859.56x = 575,543,416.08
  5. Step 5: Solve for x
    x = 575,543,416.08/26,859.56
  6. Step 6: Final answer
    x = 21,427.88

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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.