Home / 25,465.19-35,143.27-19,166.63

Finding the Fourth Proportional to 25,465.19, 35,143.27 and 19,166.63

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Solution

The fourth proportional to 25,465.19, 35,143.27 and 19,166.63 is: 26,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.19 : 35,143.27 = 19,166.63 : x
  2. Step 2: Convert to fraction form
    25,465.19/35,143.27 = 19,166.63/x
  3. Step 3: Cross multiply
    25,465.19x = 35,143.27 × 19,166.63
  4. Step 4: Simplify right side
    25,465.19x = 673,577,829.45
  5. Step 5: Solve for x
    x = 673,577,829.45/25,465.19
  6. Step 6: Final answer
    x = 26,450.93

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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.