Home / 28,552.10-42,829.08-9,831.93

Finding the Fourth Proportional to 28,552.10, 42,829.08 and 9,831.93

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Solution

The fourth proportional to 28,552.10, 42,829.08 and 9,831.93 is: 14,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.10 : 42,829.08 = 9,831.93 : x
  2. Step 2: Convert to fraction form
    28,552.10/42,829.08 = 9,831.93/x
  3. Step 3: Cross multiply
    28,552.10x = 42,829.08 × 9,831.93
  4. Step 4: Simplify right side
    28,552.10x = 421,092,516.52
  5. Step 5: Solve for x
    x = 421,092,516.52/28,552.10
  6. Step 6: Final answer
    x = 14,748.22

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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.