Home / 19,520-29,249.32-15,088.51

Finding the Fourth Proportional to 19,520, 29,249.32 and 15,088.51

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Solution

The fourth proportional to 19,520, 29,249.32 and 15,088.51 is: 22,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520 : 29,249.32 = 15,088.51 : x
  2. Step 2: Convert to fraction form
    19,520/29,249.32 = 15,088.51/x
  3. Step 3: Cross multiply
    19,520x = 29,249.32 × 15,088.51
  4. Step 4: Simplify right side
    19,520x = 441,328,657.31
  5. Step 5: Solve for x
    x = 441,328,657.31/19,520
  6. Step 6: Final answer
    x = 22,609.05

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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.