Home / 25,574.22-35,283.06-15,495.39

Finding the Fourth Proportional to 25,574.22, 35,283.06 and 15,495.39

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Solution

The fourth proportional to 25,574.22, 35,283.06 and 15,495.39 is: 21,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,574.22 : 35,283.06 = 15,495.39 : x
  2. Step 2: Convert to fraction form
    25,574.22/35,283.06 = 15,495.39/x
  3. Step 3: Cross multiply
    25,574.22x = 35,283.06 × 15,495.39
  4. Step 4: Simplify right side
    25,574.22x = 546,724,775.09
  5. Step 5: Solve for x
    x = 546,724,775.09/25,574.22
  6. Step 6: Final answer
    x = 21,377.96

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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.