Home / 28,482.24-42,715.86-19,595.70

Finding the Fourth Proportional to 28,482.24, 42,715.86 and 19,595.70

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Solution

The fourth proportional to 28,482.24, 42,715.86 and 19,595.70 is: 29,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.24 : 42,715.86 = 19,595.70 : x
  2. Step 2: Convert to fraction form
    28,482.24/42,715.86 = 19,595.70/x
  3. Step 3: Cross multiply
    28,482.24x = 42,715.86 × 19,595.70
  4. Step 4: Simplify right side
    28,482.24x = 837,047,177.80
  5. Step 5: Solve for x
    x = 837,047,177.80/28,482.24
  6. Step 6: Final answer
    x = 29,388.39

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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.