Home / 25,475.45-35,156.52-14,145.68

Finding the Fourth Proportional to 25,475.45, 35,156.52 and 14,145.68

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Solution

The fourth proportional to 25,475.45, 35,156.52 and 14,145.68 is: 19,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.45 : 35,156.52 = 14,145.68 : x
  2. Step 2: Convert to fraction form
    25,475.45/35,156.52 = 14,145.68/x
  3. Step 3: Cross multiply
    25,475.45x = 35,156.52 × 14,145.68
  4. Step 4: Simplify right side
    25,475.45x = 497,312,706.05
  5. Step 5: Solve for x
    x = 497,312,706.05/25,475.45
  6. Step 6: Final answer
    x = 19,521.26

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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.