Home / 28,161.58-42,250.80-16,312.59

Finding the Fourth Proportional to 28,161.58, 42,250.80 and 16,312.59

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Solution

The fourth proportional to 28,161.58, 42,250.80 and 16,312.59 is: 24,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.58 : 42,250.80 = 16,312.59 : x
  2. Step 2: Convert to fraction form
    28,161.58/42,250.80 = 16,312.59/x
  3. Step 3: Cross multiply
    28,161.58x = 42,250.80 × 16,312.59
  4. Step 4: Simplify right side
    28,161.58x = 689,219,977.57
  5. Step 5: Solve for x
    x = 689,219,977.57/28,161.58
  6. Step 6: Final answer
    x = 24,473.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.