Home / 25,259.40-37,890.90-7,729.20

Finding the Fourth Proportional to 25,259.40, 37,890.90 and 7,729.20

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Solution

The fourth proportional to 25,259.40, 37,890.90 and 7,729.20 is: 11,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.40 : 37,890.90 = 7,729.20 : x
  2. Step 2: Convert to fraction form
    25,259.40/37,890.90 = 7,729.20/x
  3. Step 3: Cross multiply
    25,259.40x = 37,890.90 × 7,729.20
  4. Step 4: Simplify right side
    25,259.40x = 292,866,344.28
  5. Step 5: Solve for x
    x = 292,866,344.28/25,259.40
  6. Step 6: Final answer
    x = 11,594.35

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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.