Home / 28,316.01-39,075.26-15,569.21

Finding the Fourth Proportional to 28,316.01, 39,075.26 and 15,569.21

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Solution

The fourth proportional to 28,316.01, 39,075.26 and 15,569.21 is: 21,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.01 : 39,075.26 = 15,569.21 : x
  2. Step 2: Convert to fraction form
    28,316.01/39,075.26 = 15,569.21/x
  3. Step 3: Cross multiply
    28,316.01x = 39,075.26 × 15,569.21
  4. Step 4: Simplify right side
    28,316.01x = 608,370,733.37
  5. Step 5: Solve for x
    x = 608,370,733.37/28,316.01
  6. Step 6: Final answer
    x = 21,485.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.