Home / 28,417.26-42,628.48-14,368.52

Finding the Fourth Proportional to 28,417.26, 42,628.48 and 14,368.52

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Solution

The fourth proportional to 28,417.26, 42,628.48 and 14,368.52 is: 21,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.26 : 42,628.48 = 14,368.52 : x
  2. Step 2: Convert to fraction form
    28,417.26/42,628.48 = 14,368.52/x
  3. Step 3: Cross multiply
    28,417.26x = 42,628.48 × 14,368.52
  4. Step 4: Simplify right side
    28,417.26x = 612,508,238.10
  5. Step 5: Solve for x
    x = 612,508,238.10/28,417.26
  6. Step 6: Final answer
    x = 21,554.09

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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.