Home / 26,764.56-36,931.90-15,437.76

Finding the Fourth Proportional to 26,764.56, 36,931.90 and 15,437.76

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Solution

The fourth proportional to 26,764.56, 36,931.90 and 15,437.76 is: 21,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,764.56 : 36,931.90 = 15,437.76 : x
  2. Step 2: Convert to fraction form
    26,764.56/36,931.90 = 15,437.76/x
  3. Step 3: Cross multiply
    26,764.56x = 36,931.90 × 15,437.76
  4. Step 4: Simplify right side
    26,764.56x = 570,145,808.54
  5. Step 5: Solve for x
    x = 570,145,808.54/26,764.56
  6. Step 6: Final answer
    x = 21,302.27

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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.