Home / 42,986.07-64,483.22-16,692.87

Finding the Fourth Proportional to 42,986.07, 64,483.22 and 16,692.87

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Solution

The fourth proportional to 42,986.07, 64,483.22 and 16,692.87 is: 25,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,986.07 : 64,483.22 = 16,692.87 : x
  2. Step 2: Convert to fraction form
    42,986.07/64,483.22 = 16,692.87/x
  3. Step 3: Cross multiply
    42,986.07x = 64,483.22 × 16,692.87
  4. Step 4: Simplify right side
    42,986.07x = 1,076,409,925.18
  5. Step 5: Solve for x
    x = 1,076,409,925.18/42,986.07
  6. Step 6: Final answer
    x = 25,040.90

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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.