Home / 20,977.95-31,466.94-14,384.14

Finding the Fourth Proportional to 20,977.95, 31,466.94 and 14,384.14

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Solution

The fourth proportional to 20,977.95, 31,466.94 and 14,384.14 is: 21,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,977.95 : 31,466.94 = 14,384.14 : x
  2. Step 2: Convert to fraction form
    20,977.95/31,466.94 = 14,384.14/x
  3. Step 3: Cross multiply
    20,977.95x = 31,466.94 × 14,384.14
  4. Step 4: Simplify right side
    20,977.95x = 452,624,870.33
  5. Step 5: Solve for x
    x = 452,624,870.33/20,977.95
  6. Step 6: Final answer
    x = 21,576.22

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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.