Home / 27,290.48-37,663.04-15,353.10

Finding the Fourth Proportional to 27,290.48, 37,663.04 and 15,353.10

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Solution

The fourth proportional to 27,290.48, 37,663.04 and 15,353.10 is: 21,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.48 : 37,663.04 = 15,353.10 : x
  2. Step 2: Convert to fraction form
    27,290.48/37,663.04 = 15,353.10/x
  3. Step 3: Cross multiply
    27,290.48x = 37,663.04 × 15,353.10
  4. Step 4: Simplify right side
    27,290.48x = 578,244,457.81
  5. Step 5: Solve for x
    x = 578,244,457.81/27,290.48
  6. Step 6: Final answer
    x = 21,188.51

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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.