Home / 27,903.60-38,507.22-15,328.34

Finding the Fourth Proportional to 27,903.60, 38,507.22 and 15,328.34

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Solution

The fourth proportional to 27,903.60, 38,507.22 and 15,328.34 is: 21,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.60 : 38,507.22 = 15,328.34 : x
  2. Step 2: Convert to fraction form
    27,903.60/38,507.22 = 15,328.34/x
  3. Step 3: Cross multiply
    27,903.60x = 38,507.22 × 15,328.34
  4. Step 4: Simplify right side
    27,903.60x = 590,251,760.61
  5. Step 5: Solve for x
    x = 590,251,760.61/27,903.60
  6. Step 6: Final answer
    x = 21,153.25

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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.