Home / 28,345.67-42,517.56-15,223.67

Finding the Fourth Proportional to 28,345.67, 42,517.56 and 15,223.67

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Solution

The fourth proportional to 28,345.67, 42,517.56 and 15,223.67 is: 22,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345.67 : 42,517.56 = 15,223.67 : x
  2. Step 2: Convert to fraction form
    28,345.67/42,517.56 = 15,223.67/x
  3. Step 3: Cross multiply
    28,345.67x = 42,517.56 × 15,223.67
  4. Step 4: Simplify right side
    28,345.67x = 647,273,302.65
  5. Step 5: Solve for x
    x = 647,273,302.65/28,345.67
  6. Step 6: Final answer
    x = 22,835.00

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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.