Home / 28,430.19-42,652.58-10,901.39

Finding the Fourth Proportional to 28,430.19, 42,652.58 and 10,901.39

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Solution

The fourth proportional to 28,430.19, 42,652.58 and 10,901.39 is: 16,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430.19 : 42,652.58 = 10,901.39 : x
  2. Step 2: Convert to fraction form
    28,430.19/42,652.58 = 10,901.39/x
  3. Step 3: Cross multiply
    28,430.19x = 42,652.58 × 10,901.39
  4. Step 4: Simplify right side
    28,430.19x = 464,972,141.32
  5. Step 5: Solve for x
    x = 464,972,141.32/28,430.19
  6. Step 6: Final answer
    x = 16,354.87

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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.