Home / 29,102.08-40,158.48-16,528.72

Finding the Fourth Proportional to 29,102.08, 40,158.48 and 16,528.72

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Solution

The fourth proportional to 29,102.08, 40,158.48 and 16,528.72 is: 22,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,102.08 : 40,158.48 = 16,528.72 : x
  2. Step 2: Convert to fraction form
    29,102.08/40,158.48 = 16,528.72/x
  3. Step 3: Cross multiply
    29,102.08x = 40,158.48 × 16,528.72
  4. Step 4: Simplify right side
    29,102.08x = 663,768,271.55
  5. Step 5: Solve for x
    x = 663,768,271.55/29,102.08
  6. Step 6: Final answer
    x = 22,808.28

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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.