Home / 27,953.03-38,575.05-15,521.07

Finding the Fourth Proportional to 27,953.03, 38,575.05 and 15,521.07

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Solution

The fourth proportional to 27,953.03, 38,575.05 and 15,521.07 is: 21,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,953.03 : 38,575.05 = 15,521.07 : x
  2. Step 2: Convert to fraction form
    27,953.03/38,575.05 = 15,521.07/x
  3. Step 3: Cross multiply
    27,953.03x = 38,575.05 × 15,521.07
  4. Step 4: Simplify right side
    27,953.03x = 598,726,051.30
  5. Step 5: Solve for x
    x = 598,726,051.30/27,953.03
  6. Step 6: Final answer
    x = 21,419.01

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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.