Home / 27,853.02-38,434.53-15,916.26

Finding the Fourth Proportional to 27,853.02, 38,434.53 and 15,916.26

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Solution

The fourth proportional to 27,853.02, 38,434.53 and 15,916.26 is: 21,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853.02 : 38,434.53 = 15,916.26 : x
  2. Step 2: Convert to fraction form
    27,853.02/38,434.53 = 15,916.26/x
  3. Step 3: Cross multiply
    27,853.02x = 38,434.53 × 15,916.26
  4. Step 4: Simplify right side
    27,853.02x = 611,733,972.46
  5. Step 5: Solve for x
    x = 611,733,972.46/27,853.02
  6. Step 6: Final answer
    x = 21,962.93

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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.