Home / 27,875.28-38,467.47-15,300.03

Finding the Fourth Proportional to 27,875.28, 38,467.47 and 15,300.03

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Solution

The fourth proportional to 27,875.28, 38,467.47 and 15,300.03 is: 21,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.28 : 38,467.47 = 15,300.03 : x
  2. Step 2: Convert to fraction form
    27,875.28/38,467.47 = 15,300.03/x
  3. Step 3: Cross multiply
    27,875.28x = 38,467.47 × 15,300.03
  4. Step 4: Simplify right side
    27,875.28x = 588,553,445.02
  5. Step 5: Solve for x
    x = 588,553,445.02/27,875.28
  6. Step 6: Final answer
    x = 21,113.81

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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.