Home / 28,227.36-38,955.51-15,652.11

Finding the Fourth Proportional to 28,227.36, 38,955.51 and 15,652.11

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Solution

The fourth proportional to 28,227.36, 38,955.51 and 15,652.11 is: 21,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.36 : 38,955.51 = 15,652.11 : x
  2. Step 2: Convert to fraction form
    28,227.36/38,955.51 = 15,652.11/x
  3. Step 3: Cross multiply
    28,227.36x = 38,955.51 × 15,652.11
  4. Step 4: Simplify right side
    28,227.36x = 609,735,927.63
  5. Step 5: Solve for x
    x = 609,735,927.63/28,227.36
  6. Step 6: Final answer
    x = 21,600.88

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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.