Home / 20,368.08-30,567.24-15,158.16

Finding the Fourth Proportional to 20,368.08, 30,567.24 and 15,158.16

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Solution

The fourth proportional to 20,368.08, 30,567.24 and 15,158.16 is: 22,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.08 : 30,567.24 = 15,158.16 : x
  2. Step 2: Convert to fraction form
    20,368.08/30,567.24 = 15,158.16/x
  3. Step 3: Cross multiply
    20,368.08x = 30,567.24 × 15,158.16
  4. Step 4: Simplify right side
    20,368.08x = 463,343,114.68
  5. Step 5: Solve for x
    x = 463,343,114.68/20,368.08
  6. Step 6: Final answer
    x = 22,748.49

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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.