Home / 28,445.05-42,606.01-18,554.32

Finding the Fourth Proportional to 28,445.05, 42,606.01 and 18,554.32

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Solution

The fourth proportional to 28,445.05, 42,606.01 and 18,554.32 is: 27,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.05 : 42,606.01 = 18,554.32 : x
  2. Step 2: Convert to fraction form
    28,445.05/42,606.01 = 18,554.32/x
  3. Step 3: Cross multiply
    28,445.05x = 42,606.01 × 18,554.32
  4. Step 4: Simplify right side
    28,445.05x = 790,525,543.46
  5. Step 5: Solve for x
    x = 790,525,543.46/28,445.05
  6. Step 6: Final answer
    x = 27,791.32

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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.