Home / 28,518.96-42,784.46-10,749.24

Finding the Fourth Proportional to 28,518.96, 42,784.46 and 10,749.24

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Solution

The fourth proportional to 28,518.96, 42,784.46 and 10,749.24 is: 16,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.96 : 42,784.46 = 10,749.24 : x
  2. Step 2: Convert to fraction form
    28,518.96/42,784.46 = 10,749.24/x
  3. Step 3: Cross multiply
    28,518.96x = 42,784.46 × 10,749.24
  4. Step 4: Simplify right side
    28,518.96x = 459,900,428.81
  5. Step 5: Solve for x
    x = 459,900,428.81/28,518.96
  6. Step 6: Final answer
    x = 16,126.13

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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.