Home / 19,359.28-29,048.64-14,438.80

Finding the Fourth Proportional to 19,359.28, 29,048.64 and 14,438.80

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Solution

The fourth proportional to 19,359.28, 29,048.64 and 14,438.80 is: 21,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.28 : 29,048.64 = 14,438.80 : x
  2. Step 2: Convert to fraction form
    19,359.28/29,048.64 = 14,438.80/x
  3. Step 3: Cross multiply
    19,359.28x = 29,048.64 × 14,438.80
  4. Step 4: Simplify right side
    19,359.28x = 419,427,503.23
  5. Step 5: Solve for x
    x = 419,427,503.23/19,359.28
  6. Step 6: Final answer
    x = 21,665.45

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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.