Home / 25,376.04-35,032.20-15,818.84

Finding the Fourth Proportional to 25,376.04, 35,032.20 and 15,818.84

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Solution

The fourth proportional to 25,376.04, 35,032.20 and 15,818.84 is: 21,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,376.04 : 35,032.20 = 15,818.84 : x
  2. Step 2: Convert to fraction form
    25,376.04/35,032.20 = 15,818.84/x
  3. Step 3: Cross multiply
    25,376.04x = 35,032.20 × 15,818.84
  4. Step 4: Simplify right side
    25,376.04x = 554,168,766.65
  5. Step 5: Solve for x
    x = 554,168,766.65/25,376.04
  6. Step 6: Final answer
    x = 21,838.27

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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.