Home / 25,142.18-34,698.93-16,075.76

Finding the Fourth Proportional to 25,142.18, 34,698.93 and 16,075.76

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Solution

The fourth proportional to 25,142.18, 34,698.93 and 16,075.76 is: 22,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.18 : 34,698.93 = 16,075.76 : x
  2. Step 2: Convert to fraction form
    25,142.18/34,698.93 = 16,075.76/x
  3. Step 3: Cross multiply
    25,142.18x = 34,698.93 × 16,075.76
  4. Step 4: Simplify right side
    25,142.18x = 557,811,670.94
  5. Step 5: Solve for x
    x = 557,811,670.94/25,142.18
  6. Step 6: Final answer
    x = 22,186.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.