Home / 27,736.83-38,280.81-15,801.30

Finding the Fourth Proportional to 27,736.83, 38,280.81 and 15,801.30

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Solution

The fourth proportional to 27,736.83, 38,280.81 and 15,801.30 is: 21,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.83 : 38,280.81 = 15,801.30 : x
  2. Step 2: Convert to fraction form
    27,736.83/38,280.81 = 15,801.30/x
  3. Step 3: Cross multiply
    27,736.83x = 38,280.81 × 15,801.30
  4. Step 4: Simplify right side
    27,736.83x = 604,886,563.05
  5. Step 5: Solve for x
    x = 604,886,563.05/27,736.83
  6. Step 6: Final answer
    x = 21,808.06

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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.