Home / 28,501.19-42,752.52-13,504.79

Finding the Fourth Proportional to 28,501.19, 42,752.52 and 13,504.79

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Solution

The fourth proportional to 28,501.19, 42,752.52 and 13,504.79 is: 20,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.19 : 42,752.52 = 13,504.79 : x
  2. Step 2: Convert to fraction form
    28,501.19/42,752.52 = 13,504.79/x
  3. Step 3: Cross multiply
    28,501.19x = 42,752.52 × 13,504.79
  4. Step 4: Simplify right side
    28,501.19x = 577,363,804.57
  5. Step 5: Solve for x
    x = 577,363,804.57/28,501.19
  6. Step 6: Final answer
    x = 20,257.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.