Home / 25,947.36-35,806.32-15,343.20

Finding the Fourth Proportional to 25,947.36, 35,806.32 and 15,343.20

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Solution

The fourth proportional to 25,947.36, 35,806.32 and 15,343.20 is: 21,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.36 : 35,806.32 = 15,343.20 : x
  2. Step 2: Convert to fraction form
    25,947.36/35,806.32 = 15,343.20/x
  3. Step 3: Cross multiply
    25,947.36x = 35,806.32 × 15,343.20
  4. Step 4: Simplify right side
    25,947.36x = 549,383,529.02
  5. Step 5: Solve for x
    x = 549,383,529.02/25,947.36
  6. Step 6: Final answer
    x = 21,173.00

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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.