Home / 19,940.24-29,674.96-19,275.84

Finding the Fourth Proportional to 19,940.24, 29,674.96 and 19,275.84

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Solution

The fourth proportional to 19,940.24, 29,674.96 and 19,275.84 is: 28,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.24 : 29,674.96 = 19,275.84 : x
  2. Step 2: Convert to fraction form
    19,940.24/29,674.96 = 19,275.84/x
  3. Step 3: Cross multiply
    19,940.24x = 29,674.96 × 19,275.84
  4. Step 4: Simplify right side
    19,940.24x = 572,009,732.78
  5. Step 5: Solve for x
    x = 572,009,732.78/19,940.24
  6. Step 6: Final answer
    x = 28,686.20

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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.