Home / 19,668.31-29,460.85-15,903.95

Finding the Fourth Proportional to 19,668.31, 29,460.85 and 15,903.95

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Solution

The fourth proportional to 19,668.31, 29,460.85 and 15,903.95 is: 23,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.31 : 29,460.85 = 15,903.95 : x
  2. Step 2: Convert to fraction form
    19,668.31/29,460.85 = 15,903.95/x
  3. Step 3: Cross multiply
    19,668.31x = 29,460.85 × 15,903.95
  4. Step 4: Simplify right side
    19,668.31x = 468,543,698.29
  5. Step 5: Solve for x
    x = 468,543,698.29/19,668.31
  6. Step 6: Final answer
    x = 23,822.27

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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.