Home / 19,385.79-26,753.91-10,888.48

Finding the Fourth Proportional to 19,385.79, 26,753.91 and 10,888.48

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Solution

The fourth proportional to 19,385.79, 26,753.91 and 10,888.48 is: 15,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.79 : 26,753.91 = 10,888.48 : x
  2. Step 2: Convert to fraction form
    19,385.79/26,753.91 = 10,888.48/x
  3. Step 3: Cross multiply
    19,385.79x = 26,753.91 × 10,888.48
  4. Step 4: Simplify right side
    19,385.79x = 291,309,413.96
  5. Step 5: Solve for x
    x = 291,309,413.96/19,385.79
  6. Step 6: Final answer
    x = 15,026.96

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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.