Home / 26,369.78-36,388.85-14,430.78

Finding the Fourth Proportional to 26,369.78, 36,388.85 and 14,430.78

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Solution

The fourth proportional to 26,369.78, 36,388.85 and 14,430.78 is: 19,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,369.78 : 36,388.85 = 14,430.78 : x
  2. Step 2: Convert to fraction form
    26,369.78/36,388.85 = 14,430.78/x
  3. Step 3: Cross multiply
    26,369.78x = 36,388.85 × 14,430.78
  4. Step 4: Simplify right side
    26,369.78x = 525,119,416.65
  5. Step 5: Solve for x
    x = 525,119,416.65/26,369.78
  6. Step 6: Final answer
    x = 19,913.69

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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.