Home / 27,376.02-37,776.08-20,209.74

Finding the Fourth Proportional to 27,376.02, 37,776.08 and 20,209.74

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Solution

The fourth proportional to 27,376.02, 37,776.08 and 20,209.74 is: 27,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.02 : 37,776.08 = 20,209.74 : x
  2. Step 2: Convert to fraction form
    27,376.02/37,776.08 = 20,209.74/x
  3. Step 3: Cross multiply
    27,376.02x = 37,776.08 × 20,209.74
  4. Step 4: Simplify right side
    27,376.02x = 763,444,653.97
  5. Step 5: Solve for x
    x = 763,444,653.97/27,376.02
  6. Step 6: Final answer
    x = 27,887.35

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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.