Home / 15,840.35-23,750.50-13,491.15

Finding the Fourth Proportional to 15,840.35, 23,750.50 and 13,491.15

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Solution

The fourth proportional to 15,840.35, 23,750.50 and 13,491.15 is: 20,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.35 : 23,750.50 = 13,491.15 : x
  2. Step 2: Convert to fraction form
    15,840.35/23,750.50 = 13,491.15/x
  3. Step 3: Cross multiply
    15,840.35x = 23,750.50 × 13,491.15
  4. Step 4: Simplify right side
    15,840.35x = 320,421,558.08
  5. Step 5: Solve for x
    x = 320,421,558.08/15,840.35
  6. Step 6: Final answer
    x = 20,228.19

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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.