Home / 28,254.79-42,352.64-9,528.35

Finding the Fourth Proportional to 28,254.79, 42,352.64 and 9,528.35

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Solution

The fourth proportional to 28,254.79, 42,352.64 and 9,528.35 is: 14,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.79 : 42,352.64 = 9,528.35 : x
  2. Step 2: Convert to fraction form
    28,254.79/42,352.64 = 9,528.35/x
  3. Step 3: Cross multiply
    28,254.79x = 42,352.64 × 9,528.35
  4. Step 4: Simplify right side
    28,254.79x = 403,550,729.70
  5. Step 5: Solve for x
    x = 403,550,729.70/28,254.79
  6. Step 6: Final answer
    x = 14,282.56

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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.