Home / 35,718.08-49,280.97-28,140.89

Finding the Fourth Proportional to 35,718.08, 49,280.97 and 28,140.89

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Solution

The fourth proportional to 35,718.08, 49,280.97 and 28,140.89 is: 38,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718.08 : 49,280.97 = 28,140.89 : x
  2. Step 2: Convert to fraction form
    35,718.08/49,280.97 = 28,140.89/x
  3. Step 3: Cross multiply
    35,718.08x = 49,280.97 × 28,140.89
  4. Step 4: Simplify right side
    35,718.08x = 1,386,810,109.46
  5. Step 5: Solve for x
    x = 1,386,810,109.46/35,718.08
  6. Step 6: Final answer
    x = 38,826.56

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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.