Home / 28,417.19-42,631.94-10,887.02

Finding the Fourth Proportional to 28,417.19, 42,631.94 and 10,887.02

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Solution

The fourth proportional to 28,417.19, 42,631.94 and 10,887.02 is: 16,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.19 : 42,631.94 = 10,887.02 : x
  2. Step 2: Convert to fraction form
    28,417.19/42,631.94 = 10,887.02/x
  3. Step 3: Cross multiply
    28,417.19x = 42,631.94 × 10,887.02
  4. Step 4: Simplify right side
    28,417.19x = 464,134,917.22
  5. Step 5: Solve for x
    x = 464,134,917.22/28,417.19
  6. Step 6: Final answer
    x = 16,332.89

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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.