Home / 28,320.53-42,480.86-8,599.23

Finding the Fourth Proportional to 28,320.53, 42,480.86 and 8,599.23

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Solution

The fourth proportional to 28,320.53, 42,480.86 and 8,599.23 is: 12,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.53 : 42,480.86 = 8,599.23 : x
  2. Step 2: Convert to fraction form
    28,320.53/42,480.86 = 8,599.23/x
  3. Step 3: Cross multiply
    28,320.53x = 42,480.86 × 8,599.23
  4. Step 4: Simplify right side
    28,320.53x = 365,302,642.74
  5. Step 5: Solve for x
    x = 365,302,642.74/28,320.53
  6. Step 6: Final answer
    x = 12,898.87

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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.