Home / 28,457.78-42,698.97-10,923.53

Finding the Fourth Proportional to 28,457.78, 42,698.97 and 10,923.53

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Solution

The fourth proportional to 28,457.78, 42,698.97 and 10,923.53 is: 16,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457.78 : 42,698.97 = 10,923.53 : x
  2. Step 2: Convert to fraction form
    28,457.78/42,698.97 = 10,923.53/x
  3. Step 3: Cross multiply
    28,457.78x = 42,698.97 × 10,923.53
  4. Step 4: Simplify right side
    28,457.78x = 466,423,266.27
  5. Step 5: Solve for x
    x = 466,423,266.27/28,457.78
  6. Step 6: Final answer
    x = 16,390.01

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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.