Home / 30,206.27-41,667.85-28,068.05

Finding the Fourth Proportional to 30,206.27, 41,667.85 and 28,068.05

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Solution

The fourth proportional to 30,206.27, 41,667.85 and 28,068.05 is: 38,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.27 : 41,667.85 = 28,068.05 : x
  2. Step 2: Convert to fraction form
    30,206.27/41,667.85 = 28,068.05/x
  3. Step 3: Cross multiply
    30,206.27x = 41,667.85 × 28,068.05
  4. Step 4: Simplify right side
    30,206.27x = 1,169,535,331.19
  5. Step 5: Solve for x
    x = 1,169,535,331.19/30,206.27
  6. Step 6: Final answer
    x = 38,718.29

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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.