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Finding the Fourth Proportional to 22,577.61, 33,870.21 and 8,346.93

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Solution

The fourth proportional to 22,577.61, 33,870.21 and 8,346.93 is: 12,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,577.61 : 33,870.21 = 8,346.93 : x
  2. Step 2: Convert to fraction form
    22,577.61/33,870.21 = 8,346.93/x
  3. Step 3: Cross multiply
    22,577.61x = 33,870.21 × 8,346.93
  4. Step 4: Simplify right side
    22,577.61x = 282,712,271.96
  5. Step 5: Solve for x
    x = 282,712,271.96/22,577.61
  6. Step 6: Final answer
    x = 12,521.80

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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.