Home / 21,386.02-32,078.49-5,803.24

Finding the Fourth Proportional to 21,386.02, 32,078.49 and 5,803.24

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Solution

The fourth proportional to 21,386.02, 32,078.49 and 5,803.24 is: 8,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386.02 : 32,078.49 = 5,803.24 : x
  2. Step 2: Convert to fraction form
    21,386.02/32,078.49 = 5,803.24/x
  3. Step 3: Cross multiply
    21,386.02x = 32,078.49 × 5,803.24
  4. Step 4: Simplify right side
    21,386.02x = 186,159,176.31
  5. Step 5: Solve for x
    x = 186,159,176.31/21,386.02
  6. Step 6: Final answer
    x = 8,704.71

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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.