Home / 28,465.65-42,697.56-12,883.29

Finding the Fourth Proportional to 28,465.65, 42,697.56 and 12,883.29

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Solution

The fourth proportional to 28,465.65, 42,697.56 and 12,883.29 is: 19,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.65 : 42,697.56 = 12,883.29 : x
  2. Step 2: Convert to fraction form
    28,465.65/42,697.56 = 12,883.29/x
  3. Step 3: Cross multiply
    28,465.65x = 42,697.56 × 12,883.29
  4. Step 4: Simplify right side
    28,465.65x = 550,085,047.77
  5. Step 5: Solve for x
    x = 550,085,047.77/28,465.65
  6. Step 6: Final answer
    x = 19,324.52

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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.