Home / 28,854.55-43,276.36-10,130.19

Finding the Fourth Proportional to 28,854.55, 43,276.36 and 10,130.19

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Solution

The fourth proportional to 28,854.55, 43,276.36 and 10,130.19 is: 15,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.55 : 43,276.36 = 10,130.19 : x
  2. Step 2: Convert to fraction form
    28,854.55/43,276.36 = 10,130.19/x
  3. Step 3: Cross multiply
    28,854.55x = 43,276.36 × 10,130.19
  4. Step 4: Simplify right side
    28,854.55x = 438,397,749.31
  5. Step 5: Solve for x
    x = 438,397,749.31/28,854.55
  6. Step 6: Final answer
    x = 15,193.37

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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.