Home / 20,041.44-27,658-11,088.80

Finding the Fourth Proportional to 20,041.44, 27,658 and 11,088.80

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Solution

The fourth proportional to 20,041.44, 27,658 and 11,088.80 is: 15,302.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.44 : 27,658 = 11,088.80 : x
  2. Step 2: Convert to fraction form
    20,041.44/27,658 = 11,088.80/x
  3. Step 3: Cross multiply
    20,041.44x = 27,658 × 11,088.80
  4. Step 4: Simplify right side
    20,041.44x = 306,694,030.40
  5. Step 5: Solve for x
    x = 306,694,030.40/20,041.44
  6. Step 6: Final answer
    x = 15,302.99

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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.