Home / 28,316.26-39,075.60-15,569.46

Finding the Fourth Proportional to 28,316.26, 39,075.60 and 15,569.46

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Solution

The fourth proportional to 28,316.26, 39,075.60 and 15,569.46 is: 21,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.26 : 39,075.60 = 15,569.46 : x
  2. Step 2: Convert to fraction form
    28,316.26/39,075.60 = 15,569.46/x
  3. Step 3: Cross multiply
    28,316.26x = 39,075.60 × 15,569.46
  4. Step 4: Simplify right side
    28,316.26x = 608,385,991.18
  5. Step 5: Solve for x
    x = 608,385,991.18/28,316.26
  6. Step 6: Final answer
    x = 21,485.40

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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.