Home / 19,558.98-27,001.86-15,301.02

Finding the Fourth Proportional to 19,558.98, 27,001.86 and 15,301.02

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Solution

The fourth proportional to 19,558.98, 27,001.86 and 15,301.02 is: 21,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.98 : 27,001.86 = 15,301.02 : x
  2. Step 2: Convert to fraction form
    19,558.98/27,001.86 = 15,301.02/x
  3. Step 3: Cross multiply
    19,558.98x = 27,001.86 × 15,301.02
  4. Step 4: Simplify right side
    19,558.98x = 413,155,999.90
  5. Step 5: Solve for x
    x = 413,155,999.90/19,558.98
  6. Step 6: Final answer
    x = 21,123.60

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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.