Home / 52,290.28-72,161.27-28,417.33

Finding the Fourth Proportional to 52,290.28, 72,161.27 and 28,417.33

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Solution

The fourth proportional to 52,290.28, 72,161.27 and 28,417.33 is: 39,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.28 : 72,161.27 = 28,417.33 : x
  2. Step 2: Convert to fraction form
    52,290.28/72,161.27 = 28,417.33/x
  3. Step 3: Cross multiply
    52,290.28x = 72,161.27 × 28,417.33
  4. Step 4: Simplify right side
    52,290.28x = 2,050,630,622.81
  5. Step 5: Solve for x
    x = 2,050,630,622.81/52,290.28
  6. Step 6: Final answer
    x = 39,216.29

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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.