Home / 25,560.03-38,357.56-8,920.06

Finding the Fourth Proportional to 25,560.03, 38,357.56 and 8,920.06

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Solution

The fourth proportional to 25,560.03, 38,357.56 and 8,920.06 is: 13,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560.03 : 38,357.56 = 8,920.06 : x
  2. Step 2: Convert to fraction form
    25,560.03/38,357.56 = 8,920.06/x
  3. Step 3: Cross multiply
    25,560.03x = 38,357.56 × 8,920.06
  4. Step 4: Simplify right side
    25,560.03x = 342,151,826.27
  5. Step 5: Solve for x
    x = 342,151,826.27/25,560.03
  6. Step 6: Final answer
    x = 13,386.21

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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.