Home / 28,294.44-42,427.08-19,423.32

Finding the Fourth Proportional to 28,294.44, 42,427.08 and 19,423.32

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Solution

The fourth proportional to 28,294.44, 42,427.08 and 19,423.32 is: 29,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.44 : 42,427.08 = 19,423.32 : x
  2. Step 2: Convert to fraction form
    28,294.44/42,427.08 = 19,423.32/x
  3. Step 3: Cross multiply
    28,294.44x = 42,427.08 × 19,423.32
  4. Step 4: Simplify right side
    28,294.44x = 824,074,751.51
  5. Step 5: Solve for x
    x = 824,074,751.51/28,294.44
  6. Step 6: Final answer
    x = 29,124.97

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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.