Home / 27,455.55-37,888.73-14,880.30

Finding the Fourth Proportional to 27,455.55, 37,888.73 and 14,880.30

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Solution

The fourth proportional to 27,455.55, 37,888.73 and 14,880.30 is: 20,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.55 : 37,888.73 = 14,880.30 : x
  2. Step 2: Convert to fraction form
    27,455.55/37,888.73 = 14,880.30/x
  3. Step 3: Cross multiply
    27,455.55x = 37,888.73 × 14,880.30
  4. Step 4: Simplify right side
    27,455.55x = 563,795,669.02
  5. Step 5: Solve for x
    x = 563,795,669.02/27,455.55
  6. Step 6: Final answer
    x = 20,534.85

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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.