Home / 25,256.55-34,854.02-15,190.82

Finding the Fourth Proportional to 25,256.55, 34,854.02 and 15,190.82

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Solution

The fourth proportional to 25,256.55, 34,854.02 and 15,190.82 is: 20,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,256.55 : 34,854.02 = 15,190.82 : x
  2. Step 2: Convert to fraction form
    25,256.55/34,854.02 = 15,190.82/x
  3. Step 3: Cross multiply
    25,256.55x = 34,854.02 × 15,190.82
  4. Step 4: Simplify right side
    25,256.55x = 529,461,026.24
  5. Step 5: Solve for x
    x = 529,461,026.24/25,256.55
  6. Step 6: Final answer
    x = 20,963.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.