Home / 28,900.53-43,315.29-16,430.99

Finding the Fourth Proportional to 28,900.53, 43,315.29 and 16,430.99

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Solution

The fourth proportional to 28,900.53, 43,315.29 and 16,430.99 is: 24,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.53 : 43,315.29 = 16,430.99 : x
  2. Step 2: Convert to fraction form
    28,900.53/43,315.29 = 16,430.99/x
  3. Step 3: Cross multiply
    28,900.53x = 43,315.29 × 16,430.99
  4. Step 4: Simplify right side
    28,900.53x = 711,712,880.26
  5. Step 5: Solve for x
    x = 711,712,880.26/28,900.53
  6. Step 6: Final answer
    x = 24,626.29

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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.