Home / 25,631.95-35,365.41-15,015.88

Finding the Fourth Proportional to 25,631.95, 35,365.41 and 15,015.88

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Solution

The fourth proportional to 25,631.95, 35,365.41 and 15,015.88 is: 20,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.95 : 35,365.41 = 15,015.88 : x
  2. Step 2: Convert to fraction form
    25,631.95/35,365.41 = 15,015.88/x
  3. Step 3: Cross multiply
    25,631.95x = 35,365.41 × 15,015.88
  4. Step 4: Simplify right side
    25,631.95x = 531,042,752.71
  5. Step 5: Solve for x
    x = 531,042,752.71/25,631.95
  6. Step 6: Final answer
    x = 20,718.00

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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.