Home / 27,599.79-38,088.42-15,501.24

Finding the Fourth Proportional to 27,599.79, 38,088.42 and 15,501.24

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Solution

The fourth proportional to 27,599.79, 38,088.42 and 15,501.24 is: 21,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,599.79 : 38,088.42 = 15,501.24 : x
  2. Step 2: Convert to fraction form
    27,599.79/38,088.42 = 15,501.24/x
  3. Step 3: Cross multiply
    27,599.79x = 38,088.42 × 15,501.24
  4. Step 4: Simplify right side
    27,599.79x = 590,417,681.51
  5. Step 5: Solve for x
    x = 590,417,681.51/27,599.79
  6. Step 6: Final answer
    x = 21,392.10

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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.