Home / 42,727.99-64,095.64-11,142.25

Finding the Fourth Proportional to 42,727.99, 64,095.64 and 11,142.25

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Solution

The fourth proportional to 42,727.99, 64,095.64 and 11,142.25 is: 16,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,727.99 : 64,095.64 = 11,142.25 : x
  2. Step 2: Convert to fraction form
    42,727.99/64,095.64 = 11,142.25/x
  3. Step 3: Cross multiply
    42,727.99x = 64,095.64 × 11,142.25
  4. Step 4: Simplify right side
    42,727.99x = 714,169,644.79
  5. Step 5: Solve for x
    x = 714,169,644.79/42,727.99
  6. Step 6: Final answer
    x = 16,714.33

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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.