Home / 25,533.84-38,312.16-13,047.30

Finding the Fourth Proportional to 25,533.84, 38,312.16 and 13,047.30

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Solution

The fourth proportional to 25,533.84, 38,312.16 and 13,047.30 is: 19,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533.84 : 38,312.16 = 13,047.30 : x
  2. Step 2: Convert to fraction form
    25,533.84/38,312.16 = 13,047.30/x
  3. Step 3: Cross multiply
    25,533.84x = 38,312.16 × 13,047.30
  4. Step 4: Simplify right side
    25,533.84x = 499,870,245.17
  5. Step 5: Solve for x
    x = 499,870,245.17/25,533.84
  6. Step 6: Final answer
    x = 19,576.78

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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.