Home / 35,728.91-53,582.13-12,929.82

Finding the Fourth Proportional to 35,728.91, 53,582.13 and 12,929.82

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Solution

The fourth proportional to 35,728.91, 53,582.13 and 12,929.82 is: 19,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.91 : 53,582.13 = 12,929.82 : x
  2. Step 2: Convert to fraction form
    35,728.91/53,582.13 = 12,929.82/x
  3. Step 3: Cross multiply
    35,728.91x = 53,582.13 × 12,929.82
  4. Step 4: Simplify right side
    35,728.91x = 692,807,296.12
  5. Step 5: Solve for x
    x = 692,807,296.12/35,728.91
  6. Step 6: Final answer
    x = 19,390.66

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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.