Home / 19,275.04-28,914.48-8,889.76

Finding the Fourth Proportional to 19,275.04, 28,914.48 and 8,889.76

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Solution

The fourth proportional to 19,275.04, 28,914.48 and 8,889.76 is: 13,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.04 : 28,914.48 = 8,889.76 : x
  2. Step 2: Convert to fraction form
    19,275.04/28,914.48 = 8,889.76/x
  3. Step 3: Cross multiply
    19,275.04x = 28,914.48 × 8,889.76
  4. Step 4: Simplify right side
    19,275.04x = 257,042,787.72
  5. Step 5: Solve for x
    x = 257,042,787.72/19,275.04
  6. Step 6: Final answer
    x = 13,335.53

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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.