Home / 28,341.47-42,496.77-18,344.81

Finding the Fourth Proportional to 28,341.47, 42,496.77 and 18,344.81

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Solution

The fourth proportional to 28,341.47, 42,496.77 and 18,344.81 is: 27,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.47 : 42,496.77 = 18,344.81 : x
  2. Step 2: Convert to fraction form
    28,341.47/42,496.77 = 18,344.81/x
  3. Step 3: Cross multiply
    28,341.47x = 42,496.77 × 18,344.81
  4. Step 4: Simplify right side
    28,341.47x = 779,595,171.26
  5. Step 5: Solve for x
    x = 779,595,171.26/28,341.47
  6. Step 6: Final answer
    x = 27,507.22

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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.