Home / 27,319.32-37,688.94-15,671.34

Finding the Fourth Proportional to 27,319.32, 37,688.94 and 15,671.34

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Solution

The fourth proportional to 27,319.32, 37,688.94 and 15,671.34 is: 21,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.32 : 37,688.94 = 15,671.34 : x
  2. Step 2: Convert to fraction form
    27,319.32/37,688.94 = 15,671.34/x
  3. Step 3: Cross multiply
    27,319.32x = 37,688.94 × 15,671.34
  4. Step 4: Simplify right side
    27,319.32x = 590,636,192.98
  5. Step 5: Solve for x
    x = 590,636,192.98/27,319.32
  6. Step 6: Final answer
    x = 21,619.73

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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.