Home / 27,455.25-37,888.38-14,880

Finding the Fourth Proportional to 27,455.25, 37,888.38 and 14,880

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Solution

The fourth proportional to 27,455.25, 37,888.38 and 14,880 is: 20,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.25 : 37,888.38 = 14,880 : x
  2. Step 2: Convert to fraction form
    27,455.25/37,888.38 = 14,880/x
  3. Step 3: Cross multiply
    27,455.25x = 37,888.38 × 14,880
  4. Step 4: Simplify right side
    27,455.25x = 563,779,094.40
  5. Step 5: Solve for x
    x = 563,779,094.40/27,455.25
  6. Step 6: Final answer
    x = 20,534.47

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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.