Home / 52,621.16-72,616.29-28,747.22

Finding the Fourth Proportional to 52,621.16, 72,616.29 and 28,747.22

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Solution

The fourth proportional to 52,621.16, 72,616.29 and 28,747.22 is: 39,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,621.16 : 72,616.29 = 28,747.22 : x
  2. Step 2: Convert to fraction form
    52,621.16/72,616.29 = 28,747.22/x
  3. Step 3: Cross multiply
    52,621.16x = 72,616.29 × 28,747.22
  4. Step 4: Simplify right side
    52,621.16x = 2,087,516,464.21
  5. Step 5: Solve for x
    x = 2,087,516,464.21/52,621.16
  6. Step 6: Final answer
    x = 39,670.67

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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.