Home / 27,848.59-38,417.46-15,908.78

Finding the Fourth Proportional to 27,848.59, 38,417.46 and 15,908.78

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Solution

The fourth proportional to 27,848.59, 38,417.46 and 15,908.78 is: 21,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.59 : 38,417.46 = 15,908.78 : x
  2. Step 2: Convert to fraction form
    27,848.59/38,417.46 = 15,908.78/x
  3. Step 3: Cross multiply
    27,848.59x = 38,417.46 × 15,908.78
  4. Step 4: Simplify right side
    27,848.59x = 611,175,015.34
  5. Step 5: Solve for x
    x = 611,175,015.34/27,848.59
  6. Step 6: Final answer
    x = 21,946.36

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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.