Home / 26,890.55-37,109-14,953.78

Finding the Fourth Proportional to 26,890.55, 37,109 and 14,953.78

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Solution

The fourth proportional to 26,890.55, 37,109 and 14,953.78 is: 20,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.55 : 37,109 = 14,953.78 : x
  2. Step 2: Convert to fraction form
    26,890.55/37,109 = 14,953.78/x
  3. Step 3: Cross multiply
    26,890.55x = 37,109 × 14,953.78
  4. Step 4: Simplify right side
    26,890.55x = 554,919,636.48
  5. Step 5: Solve for x
    x = 554,919,636.48/26,890.55
  6. Step 6: Final answer
    x = 20,636.24

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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.