Home / 25,205.79-34,783.72-13,875.04

Finding the Fourth Proportional to 25,205.79, 34,783.72 and 13,875.04

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Solution

The fourth proportional to 25,205.79, 34,783.72 and 13,875.04 is: 19,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205.79 : 34,783.72 = 13,875.04 : x
  2. Step 2: Convert to fraction form
    25,205.79/34,783.72 = 13,875.04/x
  3. Step 3: Cross multiply
    25,205.79x = 34,783.72 × 13,875.04
  4. Step 4: Simplify right side
    25,205.79x = 482,625,506.35
  5. Step 5: Solve for x
    x = 482,625,506.35/25,205.79
  6. Step 6: Final answer
    x = 19,147.41

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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.