Home / 26,760.24-36,931.86-15,430.16

Finding the Fourth Proportional to 26,760.24, 36,931.86 and 15,430.16

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Solution

The fourth proportional to 26,760.24, 36,931.86 and 15,430.16 is: 21,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.24 : 36,931.86 = 15,430.16 : x
  2. Step 2: Convert to fraction form
    26,760.24/36,931.86 = 15,430.16/x
  3. Step 3: Cross multiply
    26,760.24x = 36,931.86 × 15,430.16
  4. Step 4: Simplify right side
    26,760.24x = 569,864,508.90
  5. Step 5: Solve for x
    x = 569,864,508.90/26,760.24
  6. Step 6: Final answer
    x = 21,295.19

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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.