Home / 26,989.84-40,490.52-9,460.72

Finding the Fourth Proportional to 26,989.84, 40,490.52 and 9,460.72

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Solution

The fourth proportional to 26,989.84, 40,490.52 and 9,460.72 is: 14,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.84 : 40,490.52 = 9,460.72 : x
  2. Step 2: Convert to fraction form
    26,989.84/40,490.52 = 9,460.72/x
  3. Step 3: Cross multiply
    26,989.84x = 40,490.52 × 9,460.72
  4. Step 4: Simplify right side
    26,989.84x = 383,069,472.37
  5. Step 5: Solve for x
    x = 383,069,472.37/26,989.84
  6. Step 6: Final answer
    x = 14,193.10

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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.