Home / 28,199.98-42,210.69-19,841.26

Finding the Fourth Proportional to 28,199.98, 42,210.69 and 19,841.26

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Solution

The fourth proportional to 28,199.98, 42,210.69 and 19,841.26 is: 29,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.98 : 42,210.69 = 19,841.26 : x
  2. Step 2: Convert to fraction form
    28,199.98/42,210.69 = 19,841.26/x
  3. Step 3: Cross multiply
    28,199.98x = 42,210.69 × 19,841.26
  4. Step 4: Simplify right side
    28,199.98x = 837,513,275.07
  5. Step 5: Solve for x
    x = 837,513,275.07/28,199.98
  6. Step 6: Final answer
    x = 29,699.07

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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.