Home / 27,453.60-37,886.13-14,878.35

Finding the Fourth Proportional to 27,453.60, 37,886.13 and 14,878.35

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Solution

The fourth proportional to 27,453.60, 37,886.13 and 14,878.35 is: 20,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.60 : 37,886.13 = 14,878.35 : x
  2. Step 2: Convert to fraction form
    27,453.60/37,886.13 = 14,878.35/x
  3. Step 3: Cross multiply
    27,453.60x = 37,886.13 × 14,878.35
  4. Step 4: Simplify right side
    27,453.60x = 563,683,102.29
  5. Step 5: Solve for x
    x = 563,683,102.29/27,453.60
  6. Step 6: Final answer
    x = 20,532.21

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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.