Home / 22,038.08-30,399.12-13,079.52

Finding the Fourth Proportional to 22,038.08, 30,399.12 and 13,079.52

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Solution

The fourth proportional to 22,038.08, 30,399.12 and 13,079.52 is: 18,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.08 : 30,399.12 = 13,079.52 : x
  2. Step 2: Convert to fraction form
    22,038.08/30,399.12 = 13,079.52/x
  3. Step 3: Cross multiply
    22,038.08x = 30,399.12 × 13,079.52
  4. Step 4: Simplify right side
    22,038.08x = 397,605,898.02
  5. Step 5: Solve for x
    x = 397,605,898.02/22,038.08
  6. Step 6: Final answer
    x = 18,041.77

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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.