Home / 28,227.47-38,955.66-15,652.22

Finding the Fourth Proportional to 28,227.47, 38,955.66 and 15,652.22

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Solution

The fourth proportional to 28,227.47, 38,955.66 and 15,652.22 is: 21,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.47 : 38,955.66 = 15,652.22 : x
  2. Step 2: Convert to fraction form
    28,227.47/38,955.66 = 15,652.22/x
  3. Step 3: Cross multiply
    28,227.47x = 38,955.66 × 15,652.22
  4. Step 4: Simplify right side
    28,227.47x = 609,742,433.61
  5. Step 5: Solve for x
    x = 609,742,433.61/28,227.47
  6. Step 6: Final answer
    x = 21,601.03

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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.