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Finding the Fourth Proportional to 22,707.70, 34,025.10 and 14,907.40

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Solution

The fourth proportional to 22,707.70, 34,025.10 and 14,907.40 is: 22,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.70 : 34,025.10 = 14,907.40 : x
  2. Step 2: Convert to fraction form
    22,707.70/34,025.10 = 14,907.40/x
  3. Step 3: Cross multiply
    22,707.70x = 34,025.10 × 14,907.40
  4. Step 4: Simplify right side
    22,707.70x = 507,225,775.74
  5. Step 5: Solve for x
    x = 507,225,775.74/22,707.70
  6. Step 6: Final answer
    x = 22,337.17

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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.