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Finding the Fourth Proportional to 26,894.52, 37,113.93 and 14,957.78

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Solution

The fourth proportional to 26,894.52, 37,113.93 and 14,957.78 is: 20,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,894.52 : 37,113.93 = 14,957.78 : x
  2. Step 2: Convert to fraction form
    26,894.52/37,113.93 = 14,957.78/x
  3. Step 3: Cross multiply
    26,894.52x = 37,113.93 × 14,957.78
  4. Step 4: Simplify right side
    26,894.52x = 555,141,814.31
  5. Step 5: Solve for x
    x = 555,141,814.31/26,894.52
  6. Step 6: Final answer
    x = 20,641.45

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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.