Home / 25,299.90-37,973.07-12,828.60

Finding the Fourth Proportional to 25,299.90, 37,973.07 and 12,828.60

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Solution

The fourth proportional to 25,299.90, 37,973.07 and 12,828.60 is: 19,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.90 : 37,973.07 = 12,828.60 : x
  2. Step 2: Convert to fraction form
    25,299.90/37,973.07 = 12,828.60/x
  3. Step 3: Cross multiply
    25,299.90x = 37,973.07 × 12,828.60
  4. Step 4: Simplify right side
    25,299.90x = 487,141,325.80
  5. Step 5: Solve for x
    x = 487,141,325.80/25,299.90
  6. Step 6: Final answer
    x = 19,254.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.