Home / 15,539.65-23,327.70-15,430.30

Finding the Fourth Proportional to 15,539.65, 23,327.70 and 15,430.30

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Solution

The fourth proportional to 15,539.65, 23,327.70 and 15,430.30 is: 23,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.65 : 23,327.70 = 15,430.30 : x
  2. Step 2: Convert to fraction form
    15,539.65/23,327.70 = 15,430.30/x
  3. Step 3: Cross multiply
    15,539.65x = 23,327.70 × 15,430.30
  4. Step 4: Simplify right side
    15,539.65x = 359,953,409.31
  5. Step 5: Solve for x
    x = 359,953,409.31/15,539.65
  6. Step 6: Final answer
    x = 23,163.55

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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.