Home / 27,637.80-38,153.12-16,303.72

Finding the Fourth Proportional to 27,637.80, 38,153.12 and 16,303.72

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Solution

The fourth proportional to 27,637.80, 38,153.12 and 16,303.72 is: 22,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.80 : 38,153.12 = 16,303.72 : x
  2. Step 2: Convert to fraction form
    27,637.80/38,153.12 = 16,303.72/x
  3. Step 3: Cross multiply
    27,637.80x = 38,153.12 × 16,303.72
  4. Step 4: Simplify right side
    27,637.80x = 622,037,785.61
  5. Step 5: Solve for x
    x = 622,037,785.61/27,637.80
  6. Step 6: Final answer
    x = 22,506.78

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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.