Home / 43,326.72-64,999.80-15,624.72

Finding the Fourth Proportional to 43,326.72, 64,999.80 and 15,624.72

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Solution

The fourth proportional to 43,326.72, 64,999.80 and 15,624.72 is: 23,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,326.72 : 64,999.80 = 15,624.72 : x
  2. Step 2: Convert to fraction form
    43,326.72/64,999.80 = 15,624.72/x
  3. Step 3: Cross multiply
    43,326.72x = 64,999.80 × 15,624.72
  4. Step 4: Simplify right side
    43,326.72x = 1,015,603,675.06
  5. Step 5: Solve for x
    x = 1,015,603,675.06/43,326.72
  6. Step 6: Final answer
    x = 23,440.59

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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.