Home / 42,890.05-64,313.13-17,923.28

Finding the Fourth Proportional to 42,890.05, 64,313.13 and 17,923.28

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Solution

The fourth proportional to 42,890.05, 64,313.13 and 17,923.28 is: 26,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,890.05 : 64,313.13 = 17,923.28 : x
  2. Step 2: Convert to fraction form
    42,890.05/64,313.13 = 17,923.28/x
  3. Step 3: Cross multiply
    42,890.05x = 64,313.13 × 17,923.28
  4. Step 4: Simplify right side
    42,890.05x = 1,152,702,236.67
  5. Step 5: Solve for x
    x = 1,152,702,236.67/42,890.05
  6. Step 6: Final answer
    x = 26,875.75

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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.