Home / 26,758.08-36,926.03-15,427.51

Finding the Fourth Proportional to 26,758.08, 36,926.03 and 15,427.51

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Solution

The fourth proportional to 26,758.08, 36,926.03 and 15,427.51 is: 21,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.08 : 36,926.03 = 15,427.51 : x
  2. Step 2: Convert to fraction form
    26,758.08/36,926.03 = 15,427.51/x
  3. Step 3: Cross multiply
    26,758.08x = 36,926.03 × 15,427.51
  4. Step 4: Simplify right side
    26,758.08x = 569,676,643.34
  5. Step 5: Solve for x
    x = 569,676,643.34/26,758.08
  6. Step 6: Final answer
    x = 21,289.89

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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.