Home / 28,510.04-42,723.74-19,616.24

Finding the Fourth Proportional to 28,510.04, 42,723.74 and 19,616.24

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Solution

The fourth proportional to 28,510.04, 42,723.74 and 19,616.24 is: 29,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510.04 : 42,723.74 = 19,616.24 : x
  2. Step 2: Convert to fraction form
    28,510.04/42,723.74 = 19,616.24/x
  3. Step 3: Cross multiply
    28,510.04x = 42,723.74 × 19,616.24
  4. Step 4: Simplify right side
    28,510.04x = 838,079,137.54
  5. Step 5: Solve for x
    x = 838,079,137.54/28,510.04
  6. Step 6: Final answer
    x = 29,395.93

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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.