Home / 25,696.32-35,460.04-15,085.68

Finding the Fourth Proportional to 25,696.32, 35,460.04 and 15,085.68

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Solution

The fourth proportional to 25,696.32, 35,460.04 and 15,085.68 is: 20,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.32 : 35,460.04 = 15,085.68 : x
  2. Step 2: Convert to fraction form
    25,696.32/35,460.04 = 15,085.68/x
  3. Step 3: Cross multiply
    25,696.32x = 35,460.04 × 15,085.68
  4. Step 4: Simplify right side
    25,696.32x = 534,938,816.23
  5. Step 5: Solve for x
    x = 534,938,816.23/25,696.32
  6. Step 6: Final answer
    x = 20,817.72

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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.