Home / 25,346.40-34,980.30-14,018.55

Finding the Fourth Proportional to 25,346.40, 34,980.30 and 14,018.55

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Solution

The fourth proportional to 25,346.40, 34,980.30 and 14,018.55 is: 19,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.40 : 34,980.30 = 14,018.55 : x
  2. Step 2: Convert to fraction form
    25,346.40/34,980.30 = 14,018.55/x
  3. Step 3: Cross multiply
    25,346.40x = 34,980.30 × 14,018.55
  4. Step 4: Simplify right side
    25,346.40x = 490,373,084.57
  5. Step 5: Solve for x
    x = 490,373,084.57/25,346.40
  6. Step 6: Final answer
    x = 19,346.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.