Home / 25,802.95-35,611.37-15,193.57

Finding the Fourth Proportional to 25,802.95, 35,611.37 and 15,193.57

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Solution

The fourth proportional to 25,802.95, 35,611.37 and 15,193.57 is: 20,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,802.95 : 35,611.37 = 15,193.57 : x
  2. Step 2: Convert to fraction form
    25,802.95/35,611.37 = 15,193.57/x
  3. Step 3: Cross multiply
    25,802.95x = 35,611.37 × 15,193.57
  4. Step 4: Simplify right side
    25,802.95x = 541,063,842.89
  5. Step 5: Solve for x
    x = 541,063,842.89/25,802.95
  6. Step 6: Final answer
    x = 20,969.07

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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.