Home / 19,248.20-28,872.30-15,360.20

Finding the Fourth Proportional to 19,248.20, 28,872.30 and 15,360.20

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Solution

The fourth proportional to 19,248.20, 28,872.30 and 15,360.20 is: 23,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.20 : 28,872.30 = 15,360.20 : x
  2. Step 2: Convert to fraction form
    19,248.20/28,872.30 = 15,360.20/x
  3. Step 3: Cross multiply
    19,248.20x = 28,872.30 × 15,360.20
  4. Step 4: Simplify right side
    19,248.20x = 443,484,302.46
  5. Step 5: Solve for x
    x = 443,484,302.46/19,248.20
  6. Step 6: Final answer
    x = 23,040.30

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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.