Home / 28,498.19-42,748.00-13,501.79

Finding the Fourth Proportional to 28,498.19, 42,748.00 and 13,501.79

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Solution

The fourth proportional to 28,498.19, 42,748.00 and 13,501.79 is: 20,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498.19 : 42,748.00 = 13,501.79 : x
  2. Step 2: Convert to fraction form
    28,498.19/42,748.00 = 13,501.79/x
  3. Step 3: Cross multiply
    28,498.19x = 42,748.00 × 13,501.79
  4. Step 4: Simplify right side
    28,498.19x = 577,174,507.68
  5. Step 5: Solve for x
    x = 577,174,507.68/28,498.19
  6. Step 6: Final answer
    x = 20,253.03

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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.