Home / 20,041.39-27,656.98-11,088.70

Finding the Fourth Proportional to 20,041.39, 27,656.98 and 11,088.70

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Solution

The fourth proportional to 20,041.39, 27,656.98 and 11,088.70 is: 15,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.39 : 27,656.98 = 11,088.70 : x
  2. Step 2: Convert to fraction form
    20,041.39/27,656.98 = 11,088.70/x
  3. Step 3: Cross multiply
    20,041.39x = 27,656.98 × 11,088.70
  4. Step 4: Simplify right side
    20,041.39x = 306,679,857.26
  5. Step 5: Solve for x
    x = 306,679,857.26/20,041.39
  6. Step 6: Final answer
    x = 15,302.32

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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.