Home / 25,838.81-35,657.55-15,091.12

Finding the Fourth Proportional to 25,838.81, 35,657.55 and 15,091.12

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Solution

The fourth proportional to 25,838.81, 35,657.55 and 15,091.12 is: 20,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838.81 : 35,657.55 = 15,091.12 : x
  2. Step 2: Convert to fraction form
    25,838.81/35,657.55 = 15,091.12/x
  3. Step 3: Cross multiply
    25,838.81x = 35,657.55 × 15,091.12
  4. Step 4: Simplify right side
    25,838.81x = 538,112,410.53
  5. Step 5: Solve for x
    x = 538,112,410.53/25,838.81
  6. Step 6: Final answer
    x = 20,825.74

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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.