Home / 14,426.56-21,639.88-4,038.40

Finding the Fourth Proportional to 14,426.56, 21,639.88 and 4,038.40

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Solution

The fourth proportional to 14,426.56, 21,639.88 and 4,038.40 is: 6,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.56 : 21,639.88 = 4,038.40 : x
  2. Step 2: Convert to fraction form
    14,426.56/21,639.88 = 4,038.40/x
  3. Step 3: Cross multiply
    14,426.56x = 21,639.88 × 4,038.40
  4. Step 4: Simplify right side
    14,426.56x = 87,390,491.39
  5. Step 5: Solve for x
    x = 87,390,491.39/14,426.56
  6. Step 6: Final answer
    x = 6,057.61

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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.