Home / 19,728.65-29,605.92-7,248.77

Finding the Fourth Proportional to 19,728.65, 29,605.92 and 7,248.77

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Solution

The fourth proportional to 19,728.65, 29,605.92 and 7,248.77 is: 10,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.65 : 29,605.92 = 7,248.77 : x
  2. Step 2: Convert to fraction form
    19,728.65/29,605.92 = 7,248.77/x
  3. Step 3: Cross multiply
    19,728.65x = 29,605.92 × 7,248.77
  4. Step 4: Simplify right side
    19,728.65x = 214,606,647.84
  5. Step 5: Solve for x
    x = 214,606,647.84/19,728.65
  6. Step 6: Final answer
    x = 10,877.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.