Home / 25,573.98-38,338.38-9,980.70

Finding the Fourth Proportional to 25,573.98, 38,338.38 and 9,980.70

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Solution

The fourth proportional to 25,573.98, 38,338.38 and 9,980.70 is: 14,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,573.98 : 38,338.38 = 9,980.70 : x
  2. Step 2: Convert to fraction form
    25,573.98/38,338.38 = 9,980.70/x
  3. Step 3: Cross multiply
    25,573.98x = 38,338.38 × 9,980.70
  4. Step 4: Simplify right side
    25,573.98x = 382,643,869.27
  5. Step 5: Solve for x
    x = 382,643,869.27/25,573.98
  6. Step 6: Final answer
    x = 14,962.23

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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.