Home / 25,634.34-35,376.23-14,878.40

Finding the Fourth Proportional to 25,634.34, 35,376.23 and 14,878.40

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Solution

The fourth proportional to 25,634.34, 35,376.23 and 14,878.40 is: 20,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.34 : 35,376.23 = 14,878.40 : x
  2. Step 2: Convert to fraction form
    25,634.34/35,376.23 = 14,878.40/x
  3. Step 3: Cross multiply
    25,634.34x = 35,376.23 × 14,878.40
  4. Step 4: Simplify right side
    25,634.34x = 526,341,826.07
  5. Step 5: Solve for x
    x = 526,341,826.07/25,634.34
  6. Step 6: Final answer
    x = 20,532.68

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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.