Home / 28,099.98-42,156.54-14,949.36

Finding the Fourth Proportional to 28,099.98, 42,156.54 and 14,949.36

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Solution

The fourth proportional to 28,099.98, 42,156.54 and 14,949.36 is: 22,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.98 : 42,156.54 = 14,949.36 : x
  2. Step 2: Convert to fraction form
    28,099.98/42,156.54 = 14,949.36/x
  3. Step 3: Cross multiply
    28,099.98x = 42,156.54 × 14,949.36
  4. Step 4: Simplify right side
    28,099.98x = 630,213,292.81
  5. Step 5: Solve for x
    x = 630,213,292.81/28,099.98
  6. Step 6: Final answer
    x = 22,427.54

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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.