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Finding the Fourth Proportional to 26,861, 37,068.84 and 14,761.32

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Solution

The fourth proportional to 26,861, 37,068.84 and 14,761.32 is: 20,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861 : 37,068.84 = 14,761.32 : x
  2. Step 2: Convert to fraction form
    26,861/37,068.84 = 14,761.32/x
  3. Step 3: Cross multiply
    26,861x = 37,068.84 × 14,761.32
  4. Step 4: Simplify right side
    26,861x = 547,185,009.27
  5. Step 5: Solve for x
    x = 547,185,009.27/26,861
  6. Step 6: Final answer
    x = 20,370.98

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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.