Home / 22,384.04-30,928.90-18,402.12

Finding the Fourth Proportional to 22,384.04, 30,928.90 and 18,402.12

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Solution

The fourth proportional to 22,384.04, 30,928.90 and 18,402.12 is: 25,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,384.04 : 30,928.90 = 18,402.12 : x
  2. Step 2: Convert to fraction form
    22,384.04/30,928.90 = 18,402.12/x
  3. Step 3: Cross multiply
    22,384.04x = 30,928.90 × 18,402.12
  4. Step 4: Simplify right side
    22,384.04x = 569,157,329.27
  5. Step 5: Solve for x
    x = 569,157,329.27/22,384.04
  6. Step 6: Final answer
    x = 25,426.93

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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.