Home / 25,430.20-38,145.30-6,710.20

Finding the Fourth Proportional to 25,430.20, 38,145.30 and 6,710.20

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Solution

The fourth proportional to 25,430.20, 38,145.30 and 6,710.20 is: 10,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.20 : 38,145.30 = 6,710.20 : x
  2. Step 2: Convert to fraction form
    25,430.20/38,145.30 = 6,710.20/x
  3. Step 3: Cross multiply
    25,430.20x = 38,145.30 × 6,710.20
  4. Step 4: Simplify right side
    25,430.20x = 255,962,592.06
  5. Step 5: Solve for x
    x = 255,962,592.06/25,430.20
  6. Step 6: Final answer
    x = 10,065.30

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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.