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Finding the Fourth Proportional to 26,980.32, 37,230 and 15,041.40

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Solution

The fourth proportional to 26,980.32, 37,230 and 15,041.40 is: 20,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.32 : 37,230 = 15,041.40 : x
  2. Step 2: Convert to fraction form
    26,980.32/37,230 = 15,041.40/x
  3. Step 3: Cross multiply
    26,980.32x = 37,230 × 15,041.40
  4. Step 4: Simplify right side
    26,980.32x = 559,991,322
  5. Step 5: Solve for x
    x = 559,991,322/26,980.32
  6. Step 6: Final answer
    x = 20,755.55

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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.