Home / 25,895.15-35,733.93-15,280.91

Finding the Fourth Proportional to 25,895.15, 35,733.93 and 15,280.91

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Solution

The fourth proportional to 25,895.15, 35,733.93 and 15,280.91 is: 21,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895.15 : 35,733.93 = 15,280.91 : x
  2. Step 2: Convert to fraction form
    25,895.15/35,733.93 = 15,280.91/x
  3. Step 3: Cross multiply
    25,895.15x = 35,733.93 × 15,280.91
  4. Step 4: Simplify right side
    25,895.15x = 546,046,968.28
  5. Step 5: Solve for x
    x = 546,046,968.28/25,895.15
  6. Step 6: Final answer
    x = 21,086.84

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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.