Home / 25,864.80-35,692.48-15,810.08

Finding the Fourth Proportional to 25,864.80, 35,692.48 and 15,810.08

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Solution

The fourth proportional to 25,864.80, 35,692.48 and 15,810.08 is: 21,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.80 : 35,692.48 = 15,810.08 : x
  2. Step 2: Convert to fraction form
    25,864.80/35,692.48 = 15,810.08/x
  3. Step 3: Cross multiply
    25,864.80x = 35,692.48 × 15,810.08
  4. Step 4: Simplify right side
    25,864.80x = 564,300,964.20
  5. Step 5: Solve for x
    x = 564,300,964.20/25,864.80
  6. Step 6: Final answer
    x = 21,817.33

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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.