Home / 19,990.85-27,587.48-11,038.37

Finding the Fourth Proportional to 19,990.85, 27,587.48 and 11,038.37

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Solution

The fourth proportional to 19,990.85, 27,587.48 and 11,038.37 is: 15,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990.85 : 27,587.48 = 11,038.37 : x
  2. Step 2: Convert to fraction form
    19,990.85/27,587.48 = 11,038.37/x
  3. Step 3: Cross multiply
    19,990.85x = 27,587.48 × 11,038.37
  4. Step 4: Simplify right side
    19,990.85x = 304,520,908.17
  5. Step 5: Solve for x
    x = 304,520,908.17/19,990.85
  6. Step 6: Final answer
    x = 15,233.01

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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.