Home / 27,294.29-37,664.08-15,355.32

Finding the Fourth Proportional to 27,294.29, 37,664.08 and 15,355.32

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Solution

The fourth proportional to 27,294.29, 37,664.08 and 15,355.32 is: 21,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.29 : 37,664.08 = 15,355.32 : x
  2. Step 2: Convert to fraction form
    27,294.29/37,664.08 = 15,355.32/x
  3. Step 3: Cross multiply
    27,294.29x = 37,664.08 × 15,355.32
  4. Step 4: Simplify right side
    27,294.29x = 578,344,000.91
  5. Step 5: Solve for x
    x = 578,344,000.91/27,294.29
  6. Step 6: Final answer
    x = 21,189.19

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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.