Home / 27,688.32-38,196.60-18,124.02

Finding the Fourth Proportional to 27,688.32, 38,196.60 and 18,124.02

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Solution

The fourth proportional to 27,688.32, 38,196.60 and 18,124.02 is: 25,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.32 : 38,196.60 = 18,124.02 : x
  2. Step 2: Convert to fraction form
    27,688.32/38,196.60 = 18,124.02/x
  3. Step 3: Cross multiply
    27,688.32x = 38,196.60 × 18,124.02
  4. Step 4: Simplify right side
    27,688.32x = 692,275,942.33
  5. Step 5: Solve for x
    x = 692,275,942.33/27,688.32
  6. Step 6: Final answer
    x = 25,002.45

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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.