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Finding the Fourth Proportional to 26,776.51, 36,948.05 and 14,838.32

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Solution

The fourth proportional to 26,776.51, 36,948.05 and 14,838.32 is: 20,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,776.51 : 36,948.05 = 14,838.32 : x
  2. Step 2: Convert to fraction form
    26,776.51/36,948.05 = 14,838.32/x
  3. Step 3: Cross multiply
    26,776.51x = 36,948.05 × 14,838.32
  4. Step 4: Simplify right side
    26,776.51x = 548,247,063.10
  5. Step 5: Solve for x
    x = 548,247,063.10/26,776.51
  6. Step 6: Final answer
    x = 20,474.93

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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.