Home / 28,351.04-42,503.36-15,700.36

Finding the Fourth Proportional to 28,351.04, 42,503.36 and 15,700.36

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Solution

The fourth proportional to 28,351.04, 42,503.36 and 15,700.36 is: 23,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.04 : 42,503.36 = 15,700.36 : x
  2. Step 2: Convert to fraction form
    28,351.04/42,503.36 = 15,700.36/x
  3. Step 3: Cross multiply
    28,351.04x = 42,503.36 × 15,700.36
  4. Step 4: Simplify right side
    28,351.04x = 667,318,092.46
  5. Step 5: Solve for x
    x = 667,318,092.46/28,351.04
  6. Step 6: Final answer
    x = 23,537.69

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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.