Home / 19,242.88-28,877.28-7,554.72

Finding the Fourth Proportional to 19,242.88, 28,877.28 and 7,554.72

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Solution

The fourth proportional to 19,242.88, 28,877.28 and 7,554.72 is: 11,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.88 : 28,877.28 = 7,554.72 : x
  2. Step 2: Convert to fraction form
    19,242.88/28,877.28 = 7,554.72/x
  3. Step 3: Cross multiply
    19,242.88x = 28,877.28 × 7,554.72
  4. Step 4: Simplify right side
    19,242.88x = 218,159,764.76
  5. Step 5: Solve for x
    x = 218,159,764.76/19,242.88
  6. Step 6: Final answer
    x = 11,337.17

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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.