Home / 19,364.88-29,008.80-15,185.28

Finding the Fourth Proportional to 19,364.88, 29,008.80 and 15,185.28

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Solution

The fourth proportional to 19,364.88, 29,008.80 and 15,185.28 is: 22,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.88 : 29,008.80 = 15,185.28 : x
  2. Step 2: Convert to fraction form
    19,364.88/29,008.80 = 15,185.28/x
  3. Step 3: Cross multiply
    19,364.88x = 29,008.80 × 15,185.28
  4. Step 4: Simplify right side
    19,364.88x = 440,506,750.46
  5. Step 5: Solve for x
    x = 440,506,750.46/19,364.88
  6. Step 6: Final answer
    x = 22,747.71

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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.