Home / 25,614.90-38,426.40-9,819.30

Finding the Fourth Proportional to 25,614.90, 38,426.40 and 9,819.30

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Solution

The fourth proportional to 25,614.90, 38,426.40 and 9,819.30 is: 14,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,614.90 : 38,426.40 = 9,819.30 : x
  2. Step 2: Convert to fraction form
    25,614.90/38,426.40 = 9,819.30/x
  3. Step 3: Cross multiply
    25,614.90x = 38,426.40 × 9,819.30
  4. Step 4: Simplify right side
    25,614.90x = 377,320,349.52
  5. Step 5: Solve for x
    x = 377,320,349.52/25,614.90
  6. Step 6: Final answer
    x = 14,730.50

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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.