Home / 19,680.27-29,389.96-17,295.63

Finding the Fourth Proportional to 19,680.27, 29,389.96 and 17,295.63

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Solution

The fourth proportional to 19,680.27, 29,389.96 and 17,295.63 is: 25,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.27 : 29,389.96 = 17,295.63 : x
  2. Step 2: Convert to fraction form
    19,680.27/29,389.96 = 17,295.63/x
  3. Step 3: Cross multiply
    19,680.27x = 29,389.96 × 17,295.63
  4. Step 4: Simplify right side
    19,680.27x = 508,317,830.64
  5. Step 5: Solve for x
    x = 508,317,830.64/19,680.27
  6. Step 6: Final answer
    x = 25,828.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.