Home / 19,607.52-27,039.93-15,124.17

Finding the Fourth Proportional to 19,607.52, 27,039.93 and 15,124.17

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Solution

The fourth proportional to 19,607.52, 27,039.93 and 15,124.17 is: 20,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.52 : 27,039.93 = 15,124.17 : x
  2. Step 2: Convert to fraction form
    19,607.52/27,039.93 = 15,124.17/x
  3. Step 3: Cross multiply
    19,607.52x = 27,039.93 × 15,124.17
  4. Step 4: Simplify right side
    19,607.52x = 408,956,498.11
  5. Step 5: Solve for x
    x = 408,956,498.11/19,607.52
  6. Step 6: Final answer
    x = 20,857.13

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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.