Home / 27,438.40-37,870.24-16,110.40

Finding the Fourth Proportional to 27,438.40, 37,870.24 and 16,110.40

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Solution

The fourth proportional to 27,438.40, 37,870.24 and 16,110.40 is: 22,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.40 : 37,870.24 = 16,110.40 : x
  2. Step 2: Convert to fraction form
    27,438.40/37,870.24 = 16,110.40/x
  3. Step 3: Cross multiply
    27,438.40x = 37,870.24 × 16,110.40
  4. Step 4: Simplify right side
    27,438.40x = 610,104,714.50
  5. Step 5: Solve for x
    x = 610,104,714.50/27,438.40
  6. Step 6: Final answer
    x = 22,235.43

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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.