Home / 17,405.40-26,108.10-14,586.60

Finding the Fourth Proportional to 17,405.40, 26,108.10 and 14,586.60

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Solution

The fourth proportional to 17,405.40, 26,108.10 and 14,586.60 is: 21,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.40 : 26,108.10 = 14,586.60 : x
  2. Step 2: Convert to fraction form
    17,405.40/26,108.10 = 14,586.60/x
  3. Step 3: Cross multiply
    17,405.40x = 26,108.10 × 14,586.60
  4. Step 4: Simplify right side
    17,405.40x = 380,828,411.46
  5. Step 5: Solve for x
    x = 380,828,411.46/17,405.40
  6. Step 6: Final answer
    x = 21,879.90

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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.