Home / 26,615.90-36,728.69-15,277.52

Finding the Fourth Proportional to 26,615.90, 36,728.69 and 15,277.52

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Solution

The fourth proportional to 26,615.90, 36,728.69 and 15,277.52 is: 21,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.90 : 36,728.69 = 15,277.52 : x
  2. Step 2: Convert to fraction form
    26,615.90/36,728.69 = 15,277.52/x
  3. Step 3: Cross multiply
    26,615.90x = 36,728.69 × 15,277.52
  4. Step 4: Simplify right side
    26,615.90x = 561,123,036.02
  5. Step 5: Solve for x
    x = 561,123,036.02/26,615.90
  6. Step 6: Final answer
    x = 21,082.25

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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.