Home / 19,985.00-27,579.30-11,032.50

Finding the Fourth Proportional to 19,985.00, 27,579.30 and 11,032.50

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Solution

The fourth proportional to 19,985.00, 27,579.30 and 11,032.50 is: 15,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.00 : 27,579.30 = 11,032.50 : x
  2. Step 2: Convert to fraction form
    19,985.00/27,579.30 = 11,032.50/x
  3. Step 3: Cross multiply
    19,985.00x = 27,579.30 × 11,032.50
  4. Step 4: Simplify right side
    19,985.00x = 304,268,751.36
  5. Step 5: Solve for x
    x = 304,268,751.36/19,985.00
  6. Step 6: Final answer
    x = 15,224.86

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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.