Home / 27,438.50-37,865.40-14,863.52

Finding the Fourth Proportional to 27,438.50, 37,865.40 and 14,863.52

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Solution

The fourth proportional to 27,438.50, 37,865.40 and 14,863.52 is: 20,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.50 : 37,865.40 = 14,863.52 : x
  2. Step 2: Convert to fraction form
    27,438.50/37,865.40 = 14,863.52/x
  3. Step 3: Cross multiply
    27,438.50x = 37,865.40 × 14,863.52
  4. Step 4: Simplify right side
    27,438.50x = 562,813,130.21
  5. Step 5: Solve for x
    x = 562,813,130.21/27,438.50
  6. Step 6: Final answer
    x = 20,511.80

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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.