Home / 27,014.40-37,280.16-15,077.76

Finding the Fourth Proportional to 27,014.40, 37,280.16 and 15,077.76

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Solution

The fourth proportional to 27,014.40, 37,280.16 and 15,077.76 is: 20,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,014.40 : 37,280.16 = 15,077.76 : x
  2. Step 2: Convert to fraction form
    27,014.40/37,280.16 = 15,077.76/x
  3. Step 3: Cross multiply
    27,014.40x = 37,280.16 × 15,077.76
  4. Step 4: Simplify right side
    27,014.40x = 562,101,305.24
  5. Step 5: Solve for x
    x = 562,101,305.24/27,014.40
  6. Step 6: Final answer
    x = 20,807.47

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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.