Home / 27,280.08-37,646.56-15,343.44

Finding the Fourth Proportional to 27,280.08, 37,646.56 and 15,343.44

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Solution

The fourth proportional to 27,280.08, 37,646.56 and 15,343.44 is: 21,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.08 : 37,646.56 = 15,343.44 : x
  2. Step 2: Convert to fraction form
    27,280.08/37,646.56 = 15,343.44/x
  3. Step 3: Cross multiply
    27,280.08x = 37,646.56 × 15,343.44
  4. Step 4: Simplify right side
    27,280.08x = 577,627,734.57
  5. Step 5: Solve for x
    x = 577,627,734.57/27,280.08
  6. Step 6: Final answer
    x = 21,173.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.