Home / 25,758.63-38,646.36-10,980.09

Finding the Fourth Proportional to 25,758.63, 38,646.36 and 10,980.09

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Solution

The fourth proportional to 25,758.63, 38,646.36 and 10,980.09 is: 16,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.63 : 38,646.36 = 10,980.09 : x
  2. Step 2: Convert to fraction form
    25,758.63/38,646.36 = 10,980.09/x
  3. Step 3: Cross multiply
    25,758.63x = 38,646.36 × 10,980.09
  4. Step 4: Simplify right side
    25,758.63x = 424,340,510.97
  5. Step 5: Solve for x
    x = 424,340,510.97/25,758.63
  6. Step 6: Final answer
    x = 16,473.72

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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.