Home / 25,612.77-35,344.53-18,895.98

Finding the Fourth Proportional to 25,612.77, 35,344.53 and 18,895.98

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Solution

The fourth proportional to 25,612.77, 35,344.53 and 18,895.98 is: 26,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.77 : 35,344.53 = 18,895.98 : x
  2. Step 2: Convert to fraction form
    25,612.77/35,344.53 = 18,895.98/x
  3. Step 3: Cross multiply
    25,612.77x = 35,344.53 × 18,895.98
  4. Step 4: Simplify right side
    25,612.77x = 667,869,531.99
  5. Step 5: Solve for x
    x = 667,869,531.99/25,612.77
  6. Step 6: Final answer
    x = 26,075.65

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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.