Home / 28,575.84-39,434.58-16,000.56

Finding the Fourth Proportional to 28,575.84, 39,434.58 and 16,000.56

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Solution

The fourth proportional to 28,575.84, 39,434.58 and 16,000.56 is: 22,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.84 : 39,434.58 = 16,000.56 : x
  2. Step 2: Convert to fraction form
    28,575.84/39,434.58 = 16,000.56/x
  3. Step 3: Cross multiply
    28,575.84x = 39,434.58 × 16,000.56
  4. Step 4: Simplify right side
    28,575.84x = 630,975,363.36
  5. Step 5: Solve for x
    x = 630,975,363.36/28,575.84
  6. Step 6: Final answer
    x = 22,080.73

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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.