Home / 52,258.91-72,116.10-28,385.08

Finding the Fourth Proportional to 52,258.91, 72,116.10 and 28,385.08

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Solution

The fourth proportional to 52,258.91, 72,116.10 and 28,385.08 is: 39,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258.91 : 72,116.10 = 28,385.08 : x
  2. Step 2: Convert to fraction form
    52,258.91/72,116.10 = 28,385.08/x
  3. Step 3: Cross multiply
    52,258.91x = 72,116.10 × 28,385.08
  4. Step 4: Simplify right side
    52,258.91x = 2,047,021,267.79
  5. Step 5: Solve for x
    x = 2,047,021,267.79/52,258.91
  6. Step 6: Final answer
    x = 39,170.76

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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.