Home / 25,385.63-38,055.84-12,050.40

Finding the Fourth Proportional to 25,385.63, 38,055.84 and 12,050.40

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Solution

The fourth proportional to 25,385.63, 38,055.84 and 12,050.40 is: 18,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.63 : 38,055.84 = 12,050.40 : x
  2. Step 2: Convert to fraction form
    25,385.63/38,055.84 = 12,050.40/x
  3. Step 3: Cross multiply
    25,385.63x = 38,055.84 × 12,050.40
  4. Step 4: Simplify right side
    25,385.63x = 458,588,094.34
  5. Step 5: Solve for x
    x = 458,588,094.34/25,385.63
  6. Step 6: Final answer
    x = 18,064.87

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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.