Home / 28,010.23-38,655.09-15,264.46

Finding the Fourth Proportional to 28,010.23, 38,655.09 and 15,264.46

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Solution

The fourth proportional to 28,010.23, 38,655.09 and 15,264.46 is: 21,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.23 : 38,655.09 = 15,264.46 : x
  2. Step 2: Convert to fraction form
    28,010.23/38,655.09 = 15,264.46/x
  3. Step 3: Cross multiply
    28,010.23x = 38,655.09 × 15,264.46
  4. Step 4: Simplify right side
    28,010.23x = 590,049,075.10
  5. Step 5: Solve for x
    x = 590,049,075.10/28,010.23
  6. Step 6: Final answer
    x = 21,065.48

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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.