Home / 19,275.30-28,912.54-8,887.06

Finding the Fourth Proportional to 19,275.30, 28,912.54 and 8,887.06

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Solution

The fourth proportional to 19,275.30, 28,912.54 and 8,887.06 is: 13,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.30 : 28,912.54 = 8,887.06 : x
  2. Step 2: Convert to fraction form
    19,275.30/28,912.54 = 8,887.06/x
  3. Step 3: Cross multiply
    19,275.30x = 28,912.54 × 8,887.06
  4. Step 4: Simplify right side
    19,275.30x = 256,947,477.73
  5. Step 5: Solve for x
    x = 256,947,477.73/19,275.30
  6. Step 6: Final answer
    x = 13,330.40

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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.