Home / 28,300.09-39,052.23-15,553

Finding the Fourth Proportional to 28,300.09, 39,052.23 and 15,553

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Solution

The fourth proportional to 28,300.09, 39,052.23 and 15,553 is: 21,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.09 : 39,052.23 = 15,553 : x
  2. Step 2: Convert to fraction form
    28,300.09/39,052.23 = 15,553/x
  3. Step 3: Cross multiply
    28,300.09x = 39,052.23 × 15,553
  4. Step 4: Simplify right side
    28,300.09x = 607,379,333.19
  5. Step 5: Solve for x
    x = 607,379,333.19/28,300.09
  6. Step 6: Final answer
    x = 21,462.10

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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.