Home / 28,754.83-39,681.58-16,179.58

Finding the Fourth Proportional to 28,754.83, 39,681.58 and 16,179.58

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Solution

The fourth proportional to 28,754.83, 39,681.58 and 16,179.58 is: 22,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.83 : 39,681.58 = 16,179.58 : x
  2. Step 2: Convert to fraction form
    28,754.83/39,681.58 = 16,179.58/x
  3. Step 3: Cross multiply
    28,754.83x = 39,681.58 × 16,179.58
  4. Step 4: Simplify right side
    28,754.83x = 642,031,018.83
  5. Step 5: Solve for x
    x = 642,031,018.83/28,754.83
  6. Step 6: Final answer
    x = 22,327.77

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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.