Home / 19,129.39-28,501.82-18,055.08

Finding the Fourth Proportional to 19,129.39, 28,501.82 and 18,055.08

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Solution

The fourth proportional to 19,129.39, 28,501.82 and 18,055.08 is: 26,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.39 : 28,501.82 = 18,055.08 : x
  2. Step 2: Convert to fraction form
    19,129.39/28,501.82 = 18,055.08/x
  3. Step 3: Cross multiply
    19,129.39x = 28,501.82 × 18,055.08
  4. Step 4: Simplify right side
    19,129.39x = 514,602,640.25
  5. Step 5: Solve for x
    x = 514,602,640.25/19,129.39
  6. Step 6: Final answer
    x = 26,901.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.