Home / 25,009.20-37,528.20-9,428.40

Finding the Fourth Proportional to 25,009.20, 37,528.20 and 9,428.40

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Solution

The fourth proportional to 25,009.20, 37,528.20 and 9,428.40 is: 14,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.20 : 37,528.20 = 9,428.40 : x
  2. Step 2: Convert to fraction form
    25,009.20/37,528.20 = 9,428.40/x
  3. Step 3: Cross multiply
    25,009.20x = 37,528.20 × 9,428.40
  4. Step 4: Simplify right side
    25,009.20x = 353,830,880.88
  5. Step 5: Solve for x
    x = 353,830,880.88/25,009.20
  6. Step 6: Final answer
    x = 14,148.03

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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.