Home / 28,522.56-39,362.40-15,947.31

Finding the Fourth Proportional to 28,522.56, 39,362.40 and 15,947.31

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Solution

The fourth proportional to 28,522.56, 39,362.40 and 15,947.31 is: 22,008.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.56 : 39,362.40 = 15,947.31 : x
  2. Step 2: Convert to fraction form
    28,522.56/39,362.40 = 15,947.31/x
  3. Step 3: Cross multiply
    28,522.56x = 39,362.40 × 15,947.31
  4. Step 4: Simplify right side
    28,522.56x = 627,724,395.14
  5. Step 5: Solve for x
    x = 627,724,395.14/28,522.56
  6. Step 6: Final answer
    x = 22,008.00

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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.