Home / 25,829.61-38,734.69-20,347.53

Finding the Fourth Proportional to 25,829.61, 38,734.69 and 20,347.53

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Solution

The fourth proportional to 25,829.61, 38,734.69 and 20,347.53 is: 30,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.61 : 38,734.69 = 20,347.53 : x
  2. Step 2: Convert to fraction form
    25,829.61/38,734.69 = 20,347.53/x
  3. Step 3: Cross multiply
    25,829.61x = 38,734.69 × 20,347.53
  4. Step 4: Simplify right side
    25,829.61x = 788,155,266.82
  5. Step 5: Solve for x
    x = 788,155,266.82/25,829.61
  6. Step 6: Final answer
    x = 30,513.63

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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.