Home / 27,277.02-37,663.47-21,298.32

Finding the Fourth Proportional to 27,277.02, 37,663.47 and 21,298.32

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Solution

The fourth proportional to 27,277.02, 37,663.47 and 21,298.32 is: 29,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.02 : 37,663.47 = 21,298.32 : x
  2. Step 2: Convert to fraction form
    27,277.02/37,663.47 = 21,298.32/x
  3. Step 3: Cross multiply
    27,277.02x = 37,663.47 × 21,298.32
  4. Step 4: Simplify right side
    27,277.02x = 802,168,636.37
  5. Step 5: Solve for x
    x = 802,168,636.37/27,277.02
  6. Step 6: Final answer
    x = 29,408.22

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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.