Home / 27,973.35-38,607.66-16,643.34

Finding the Fourth Proportional to 27,973.35, 38,607.66 and 16,643.34

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Solution

The fourth proportional to 27,973.35, 38,607.66 and 16,643.34 is: 22,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,973.35 : 38,607.66 = 16,643.34 : x
  2. Step 2: Convert to fraction form
    27,973.35/38,607.66 = 16,643.34/x
  3. Step 3: Cross multiply
    27,973.35x = 38,607.66 × 16,643.34
  4. Step 4: Simplify right side
    27,973.35x = 642,560,411.98
  5. Step 5: Solve for x
    x = 642,560,411.98/27,973.35
  6. Step 6: Final answer
    x = 22,970.45

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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.