Home / 25,836.04-38,721.54-13,989.34

Finding the Fourth Proportional to 25,836.04, 38,721.54 and 13,989.34

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Solution

The fourth proportional to 25,836.04, 38,721.54 and 13,989.34 is: 20,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,836.04 : 38,721.54 = 13,989.34 : x
  2. Step 2: Convert to fraction form
    25,836.04/38,721.54 = 13,989.34/x
  3. Step 3: Cross multiply
    25,836.04x = 38,721.54 × 13,989.34
  4. Step 4: Simplify right side
    25,836.04x = 541,688,788.38
  5. Step 5: Solve for x
    x = 541,688,788.38/25,836.04
  6. Step 6: Final answer
    x = 20,966.40

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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.