Home / 27,790.08-38,350.24-16,612.16

Finding the Fourth Proportional to 27,790.08, 38,350.24 and 16,612.16

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Solution

The fourth proportional to 27,790.08, 38,350.24 and 16,612.16 is: 22,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.08 : 38,350.24 = 16,612.16 : x
  2. Step 2: Convert to fraction form
    27,790.08/38,350.24 = 16,612.16/x
  3. Step 3: Cross multiply
    27,790.08x = 38,350.24 × 16,612.16
  4. Step 4: Simplify right side
    27,790.08x = 637,080,322.92
  5. Step 5: Solve for x
    x = 637,080,322.92/27,790.08
  6. Step 6: Final answer
    x = 22,924.74

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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.