Home / 25,417.80-38,040.30-22,307.40

Finding the Fourth Proportional to 25,417.80, 38,040.30 and 22,307.40

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Solution

The fourth proportional to 25,417.80, 38,040.30 and 22,307.40 is: 33,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.80 : 38,040.30 = 22,307.40 : x
  2. Step 2: Convert to fraction form
    25,417.80/38,040.30 = 22,307.40/x
  3. Step 3: Cross multiply
    25,417.80x = 38,040.30 × 22,307.40
  4. Step 4: Simplify right side
    25,417.80x = 848,580,188.22
  5. Step 5: Solve for x
    x = 848,580,188.22/25,417.80
  6. Step 6: Final answer
    x = 33,385.27

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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.