Home / 25,430.18-35,081.18-22,068.28

Finding the Fourth Proportional to 25,430.18, 35,081.18 and 22,068.28

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Solution

The fourth proportional to 25,430.18, 35,081.18 and 22,068.28 is: 30,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.18 : 35,081.18 = 22,068.28 : x
  2. Step 2: Convert to fraction form
    25,430.18/35,081.18 = 22,068.28/x
  3. Step 3: Cross multiply
    25,430.18x = 35,081.18 × 22,068.28
  4. Step 4: Simplify right side
    25,430.18x = 774,181,302.97
  5. Step 5: Solve for x
    x = 774,181,302.97/25,430.18
  6. Step 6: Final answer
    x = 30,443.41

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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.