Home / 28,437.56-42,605.16-16,744.40

Finding the Fourth Proportional to 28,437.56, 42,605.16 and 16,744.40

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Solution

The fourth proportional to 28,437.56, 42,605.16 and 16,744.40 is: 25,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.56 : 42,605.16 = 16,744.40 : x
  2. Step 2: Convert to fraction form
    28,437.56/42,605.16 = 16,744.40/x
  3. Step 3: Cross multiply
    28,437.56x = 42,605.16 × 16,744.40
  4. Step 4: Simplify right side
    28,437.56x = 713,397,841.10
  5. Step 5: Solve for x
    x = 713,397,841.10/28,437.56
  6. Step 6: Final answer
    x = 25,086.46

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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.