Home / 25,186.32-37,706.51-18,972.50

Finding the Fourth Proportional to 25,186.32, 37,706.51 and 18,972.50

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Solution

The fourth proportional to 25,186.32, 37,706.51 and 18,972.50 is: 28,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.32 : 37,706.51 = 18,972.50 : x
  2. Step 2: Convert to fraction form
    25,186.32/37,706.51 = 18,972.50/x
  3. Step 3: Cross multiply
    25,186.32x = 37,706.51 × 18,972.50
  4. Step 4: Simplify right side
    25,186.32x = 715,386,477.58
  5. Step 5: Solve for x
    x = 715,386,477.58/25,186.32
  6. Step 6: Final answer
    x = 28,403.77

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1.5x scale

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.