Home / 25,804.02-38,678.01-10,820.82

Finding the Fourth Proportional to 25,804.02, 38,678.01 and 10,820.82

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Solution

The fourth proportional to 25,804.02, 38,678.01 and 10,820.82 is: 16,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,804.02 : 38,678.01 = 10,820.82 : x
  2. Step 2: Convert to fraction form
    25,804.02/38,678.01 = 10,820.82/x
  3. Step 3: Cross multiply
    25,804.02x = 38,678.01 × 10,820.82
  4. Step 4: Simplify right side
    25,804.02x = 418,527,784.17
  5. Step 5: Solve for x
    x = 418,527,784.17/25,804.02
  6. Step 6: Final answer
    x = 16,219.48

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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.