Home / 27,830.89-38,406.04-15,254.83

Finding the Fourth Proportional to 27,830.89, 38,406.04 and 15,254.83

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Solution

The fourth proportional to 27,830.89, 38,406.04 and 15,254.83 is: 21,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.89 : 38,406.04 = 15,254.83 : x
  2. Step 2: Convert to fraction form
    27,830.89/38,406.04 = 15,254.83/x
  3. Step 3: Cross multiply
    27,830.89x = 38,406.04 × 15,254.83
  4. Step 4: Simplify right side
    27,830.89x = 585,877,611.17
  5. Step 5: Solve for x
    x = 585,877,611.17/27,830.89
  6. Step 6: Final answer
    x = 21,051.34

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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.