Home / 27,124.79-37,436.63-18,619.85

Finding the Fourth Proportional to 27,124.79, 37,436.63 and 18,619.85

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Solution

The fourth proportional to 27,124.79, 37,436.63 and 18,619.85 is: 25,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.79 : 37,436.63 = 18,619.85 : x
  2. Step 2: Convert to fraction form
    27,124.79/37,436.63 = 18,619.85/x
  3. Step 3: Cross multiply
    27,124.79x = 37,436.63 × 18,619.85
  4. Step 4: Simplify right side
    27,124.79x = 697,064,154.82
  5. Step 5: Solve for x
    x = 697,064,154.82/27,124.79
  6. Step 6: Final answer
    x = 25,698.42

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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.