Home / 53,075.39-79,600.29-15,625.28

Finding the Fourth Proportional to 53,075.39, 79,600.29 and 15,625.28

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Solution

The fourth proportional to 53,075.39, 79,600.29 and 15,625.28 is: 23,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,075.39 : 79,600.29 = 15,625.28 : x
  2. Step 2: Convert to fraction form
    53,075.39/79,600.29 = 15,625.28/x
  3. Step 3: Cross multiply
    53,075.39x = 79,600.29 × 15,625.28
  4. Step 4: Simplify right side
    53,075.39x = 1,243,776,421.33
  5. Step 5: Solve for x
    x = 1,243,776,421.33/53,075.39
  6. Step 6: Final answer
    x = 23,434.15

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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.