Home / 28,082.73-38,762.75-17,330.89

Finding the Fourth Proportional to 28,082.73, 38,762.75 and 17,330.89

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Solution

The fourth proportional to 28,082.73, 38,762.75 and 17,330.89 is: 23,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.73 : 38,762.75 = 17,330.89 : x
  2. Step 2: Convert to fraction form
    28,082.73/38,762.75 = 17,330.89/x
  3. Step 3: Cross multiply
    28,082.73x = 38,762.75 × 17,330.89
  4. Step 4: Simplify right side
    28,082.73x = 671,792,956.35
  5. Step 5: Solve for x
    x = 671,792,956.35/28,082.73
  6. Step 6: Final answer
    x = 23,921.92

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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.