Home / 25,948.40-38,890.60-17,628.40

Finding the Fourth Proportional to 25,948.40, 38,890.60 and 17,628.40

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Solution

The fourth proportional to 25,948.40, 38,890.60 and 17,628.40 is: 26,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.40 : 38,890.60 = 17,628.40 : x
  2. Step 2: Convert to fraction form
    25,948.40/38,890.60 = 17,628.40/x
  3. Step 3: Cross multiply
    25,948.40x = 38,890.60 × 17,628.40
  4. Step 4: Simplify right side
    25,948.40x = 685,579,053.04
  5. Step 5: Solve for x
    x = 685,579,053.04/25,948.40
  6. Step 6: Final answer
    x = 26,420.86

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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.