Home / 19,417.51-26,734.79-17,643.81

Finding the Fourth Proportional to 19,417.51, 26,734.79 and 17,643.81

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Solution

The fourth proportional to 19,417.51, 26,734.79 and 17,643.81 is: 24,292.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.51 : 26,734.79 = 17,643.81 : x
  2. Step 2: Convert to fraction form
    19,417.51/26,734.79 = 17,643.81/x
  3. Step 3: Cross multiply
    19,417.51x = 26,734.79 × 17,643.81
  4. Step 4: Simplify right side
    19,417.51x = 471,703,555.15
  5. Step 5: Solve for x
    x = 471,703,555.15/19,417.51
  6. Step 6: Final answer
    x = 24,292.69

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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.