Home / 25,564.90-38,352.86-12,749.07

Finding the Fourth Proportional to 25,564.90, 38,352.86 and 12,749.07

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Solution

The fourth proportional to 25,564.90, 38,352.86 and 12,749.07 is: 19,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,564.90 : 38,352.86 = 12,749.07 : x
  2. Step 2: Convert to fraction form
    25,564.90/38,352.86 = 12,749.07/x
  3. Step 3: Cross multiply
    25,564.90x = 38,352.86 × 12,749.07
  4. Step 4: Simplify right side
    25,564.90x = 488,963,161.85
  5. Step 5: Solve for x
    x = 488,963,161.85/25,564.90
  6. Step 6: Final answer
    x = 19,126.35

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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.