Home / 28,437.84-42,626.70-13,637.34

Finding the Fourth Proportional to 28,437.84, 42,626.70 and 13,637.34

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Solution

The fourth proportional to 28,437.84, 42,626.70 and 13,637.34 is: 20,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.84 : 42,626.70 = 13,637.34 : x
  2. Step 2: Convert to fraction form
    28,437.84/42,626.70 = 13,637.34/x
  3. Step 3: Cross multiply
    28,437.84x = 42,626.70 × 13,637.34
  4. Step 4: Simplify right side
    28,437.84x = 581,314,800.98
  5. Step 5: Solve for x
    x = 581,314,800.98/28,437.84
  6. Step 6: Final answer
    x = 20,441.59

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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.