Home / 25,430.97-35,086.59-15,362.40

Finding the Fourth Proportional to 25,430.97, 35,086.59 and 15,362.40

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Solution

The fourth proportional to 25,430.97, 35,086.59 and 15,362.40 is: 21,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.97 : 35,086.59 = 15,362.40 : x
  2. Step 2: Convert to fraction form
    25,430.97/35,086.59 = 15,362.40/x
  3. Step 3: Cross multiply
    25,430.97x = 35,086.59 × 15,362.40
  4. Step 4: Simplify right side
    25,430.97x = 539,014,230.22
  5. Step 5: Solve for x
    x = 539,014,230.22/25,430.97
  6. Step 6: Final answer
    x = 21,195.19

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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.