Home / 28,456.26-42,710.61-14,426.25

Finding the Fourth Proportional to 28,456.26, 42,710.61 and 14,426.25

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Solution

The fourth proportional to 28,456.26, 42,710.61 and 14,426.25 is: 21,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,456.26 : 42,710.61 = 14,426.25 : x
  2. Step 2: Convert to fraction form
    28,456.26/42,710.61 = 14,426.25/x
  3. Step 3: Cross multiply
    28,456.26x = 42,710.61 × 14,426.25
  4. Step 4: Simplify right side
    28,456.26x = 616,153,937.51
  5. Step 5: Solve for x
    x = 616,153,937.51/28,456.26
  6. Step 6: Final answer
    x = 21,652.67

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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.