Home / 27,420.63-37,840.53-14,845.38

Finding the Fourth Proportional to 27,420.63, 37,840.53 and 14,845.38

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Solution

The fourth proportional to 27,420.63, 37,840.53 and 14,845.38 is: 20,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.63 : 37,840.53 = 14,845.38 : x
  2. Step 2: Convert to fraction form
    27,420.63/37,840.53 = 14,845.38/x
  3. Step 3: Cross multiply
    27,420.63x = 37,840.53 × 14,845.38
  4. Step 4: Simplify right side
    27,420.63x = 561,756,961.02
  5. Step 5: Solve for x
    x = 561,756,961.02/27,420.63
  6. Step 6: Final answer
    x = 20,486.66

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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.