Home / 28,854.93-43,278.05-9,130.92

Finding the Fourth Proportional to 28,854.93, 43,278.05 and 9,130.92

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Solution

The fourth proportional to 28,854.93, 43,278.05 and 9,130.92 is: 13,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.93 : 43,278.05 = 9,130.92 : x
  2. Step 2: Convert to fraction form
    28,854.93/43,278.05 = 9,130.92/x
  3. Step 3: Cross multiply
    28,854.93x = 43,278.05 × 9,130.92
  4. Step 4: Simplify right side
    28,854.93x = 395,168,150.26
  5. Step 5: Solve for x
    x = 395,168,150.26/28,854.93
  6. Step 6: Final answer
    x = 13,695.00

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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.