Home / 28,289.18-42,433.00-9,569.07

Finding the Fourth Proportional to 28,289.18, 42,433.00 and 9,569.07

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Solution

The fourth proportional to 28,289.18, 42,433.00 and 9,569.07 is: 14,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.18 : 42,433.00 = 9,569.07 : x
  2. Step 2: Convert to fraction form
    28,289.18/42,433.00 = 9,569.07/x
  3. Step 3: Cross multiply
    28,289.18x = 42,433.00 × 9,569.07
  4. Step 4: Simplify right side
    28,289.18x = 406,044,323.39
  5. Step 5: Solve for x
    x = 406,044,323.39/28,289.18
  6. Step 6: Final answer
    x = 14,353.34

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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.