Home / 42,890.04-64,360.35-17,928.17

Finding the Fourth Proportional to 42,890.04, 64,360.35 and 17,928.17

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Solution

The fourth proportional to 42,890.04, 64,360.35 and 17,928.17 is: 26,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,890.04 : 64,360.35 = 17,928.17 : x
  2. Step 2: Convert to fraction form
    42,890.04/64,360.35 = 17,928.17/x
  3. Step 3: Cross multiply
    42,890.04x = 64,360.35 × 17,928.17
  4. Step 4: Simplify right side
    42,890.04x = 1,153,863,296.06
  5. Step 5: Solve for x
    x = 1,153,863,296.06/42,890.04
  6. Step 6: Final answer
    x = 26,902.83

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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.