Home / 27,455.43-37,888.39-14,880.21

Finding the Fourth Proportional to 27,455.43, 37,888.39 and 14,880.21

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Solution

The fourth proportional to 27,455.43, 37,888.39 and 14,880.21 is: 20,534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.43 : 37,888.39 = 14,880.21 : x
  2. Step 2: Convert to fraction form
    27,455.43/37,888.39 = 14,880.21/x
  3. Step 3: Cross multiply
    27,455.43x = 37,888.39 × 14,880.21
  4. Step 4: Simplify right side
    27,455.43x = 563,787,199.76
  5. Step 5: Solve for x
    x = 563,787,199.76/27,455.43
  6. Step 6: Final answer
    x = 20,534.63

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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.