Home / 27,848.56-38,430.28-15,272.52

Finding the Fourth Proportional to 27,848.56, 38,430.28 and 15,272.52

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Solution

The fourth proportional to 27,848.56, 38,430.28 and 15,272.52 is: 21,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.56 : 38,430.28 = 15,272.52 : x
  2. Step 2: Convert to fraction form
    27,848.56/38,430.28 = 15,272.52/x
  3. Step 3: Cross multiply
    27,848.56x = 38,430.28 × 15,272.52
  4. Step 4: Simplify right side
    27,848.56x = 586,927,219.91
  5. Step 5: Solve for x
    x = 586,927,219.91/27,848.56
  6. Step 6: Final answer
    x = 21,075.68

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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.