Home / 19,045.28-28,562.40-7,355.84

Finding the Fourth Proportional to 19,045.28, 28,562.40 and 7,355.84

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Solution

The fourth proportional to 19,045.28, 28,562.40 and 7,355.84 is: 11,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.28 : 28,562.40 = 7,355.84 : x
  2. Step 2: Convert to fraction form
    19,045.28/28,562.40 = 7,355.84/x
  3. Step 3: Cross multiply
    19,045.28x = 28,562.40 × 7,355.84
  4. Step 4: Simplify right side
    19,045.28x = 210,100,444.42
  5. Step 5: Solve for x
    x = 210,100,444.42/19,045.28
  6. Step 6: Final answer
    x = 11,031.63

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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.