Home / 28,461.98-42,679.66-16,619.18

Finding the Fourth Proportional to 28,461.98, 42,679.66 and 16,619.18

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Solution

The fourth proportional to 28,461.98, 42,679.66 and 16,619.18 is: 24,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.98 : 42,679.66 = 16,619.18 : x
  2. Step 2: Convert to fraction form
    28,461.98/42,679.66 = 16,619.18/x
  3. Step 3: Cross multiply
    28,461.98x = 42,679.66 × 16,619.18
  4. Step 4: Simplify right side
    28,461.98x = 709,300,951.88
  5. Step 5: Solve for x
    x = 709,300,951.88/28,461.98
  6. Step 6: Final answer
    x = 24,921.00

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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.